Basic Civil Engineering MCQ Questions and Answers PDF
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We have over 5000 civil engineering multiple choice mcq questions (MCQs) and answers – with hints for each question. We have different questions no matter what is your level of education. From basic civil engineering questions to advanced topics.
Subject Topic-wise questions are given below
Civil Engineering MCQ Questions
Hydraulics mcq
Highway engineering mcq questions
concrete technology mcqs
Transport Engineering MCQ
Airport Engineering
Applied Mechanics and Graphic Statics
Building Materials mcq questions
Building Maintenance
Building construction mcq questions and answers
Construction management mcq questions and answers
Design of steel structures mcq questions and answers
Design of Masonry Structures
Docks and Harbor Engineering
Elements of Remote Sensing
Environmental Engineering
Engineering Economics
Estimating and Costing
Irrigation engineering mcq questions and answers
RCC Structures Design
Railway engineering mcq questions
Structural Analysis
surveying mcq questions
Strength of Materials
soil mechanics mcq
Waste Water Engineering
Water Supply Engineering
Theory of Structures
Basic Civil Engineering MCQ Questions and Answers PDF
According to ICAO, all markings on the runways are
A. Yellow
B. White
C. Black
D. Red
Answer: Option B
Maximum gross takeoff weight of an aircraft is
A. Equal to the maximum structural landing weight
B. Less than the maximum structural landing weight
C. More than the maximum structural landing weight
D. Equal to the empty operating weight plus the payload
Answer: Option C
Two single runways may be arranged so as to have
A. L-shape
B. T-shape
C. X-shape
D. All the above
Answer: Option D
The slope of the transitional surface for A, B and C type of runway shall be
A. 1 : 5
B. 1 : 7
C. 1 : 10
D. 1 : 12
Answer: Option B
From the end of an instrumental runway, the approach surface rises outwards
A. 1 in 20
B. 1 in 30
C. 1 in 40
D. 1 in 50
Answer: Option D
The best direction of a runway is along the direction of
A. Longest line on wind rose diagram
B. Shortest line on the wind rose diagram
C. Line clear of wind rose diagram
D. None of these
Answer: Option A
The depressions and undulations in the pavement, are caused due to
A. Improper compaction of sub-grade
B. Impact of heavy wheel loads
C. Punching effect
D. All the above
Answer: Option D
The runway length after correcting for elevation and temperature is 2845 m. If the effective gradient on runway is 0.5 percent then the revised runway length will be
A. 2845 m
B. 2910 m
C. 3030 m
D. 3130 m
Answer: Option C
Conical surface of the approach area rises outwards
A. 1 in 10
B. 1 in 15
C. 1 in 20
D. 1 in 25
Answer: Option C
Zero fuel weight of an aircraft is:
A. Equal to empty operating weight
B. Equal to maximum landing weight
C. Less than empty operating weight
D. Equal to sum of empty operating weight and the maximum pay load
Answer: Option D
Building Construction Engineering Civil Engineering MCQ
Suitable spacing of timber piles, is
A. 50 cm
B. 60 cm
C. 70 cm
D. 90 cm
Answer: Option D
The ceiling height of a building is
A. between ceiling and ground level
B. between ceiling and floor level
C. upto roof above ground level
D. upto ceiling from the ground level.
Answer: Option B
The window which is provided in flat roof of a room, is known
A. dormer window
B. lantern window
C. louvered window
D. sky window.
Answer: Option B
The nominal thickness of an expansion joint in brick walls, is kept more than
A. 5 mm
B. 10 mm
C. 15 mm
D. 20 mm
Answer: Option D
In high mountaneous region, the type of roof generally recommended for buildings, is
A. shed type
B. gable type
C. gambrel type
D. mansord type
Answer: Option C
The form work from the slabs excluding props, can be removed only after
A. 1 day
B. 4 days
C. 7 days
D. 14 days
Answer: Option B
An arch may fail due to
A. uneven settlement of abutments
B. sliding of voussoirs
C. crushing of the material
D. all the above.
Answer: Option D
The bearing capacity of granite is generally
A. 5 to 10 kg/cm2
B. 15 to 20 kg/cm2
C. 30 to 35 kg/cm2
D. 40 to 45 kg/cm2.
Answer: Option C
A wooden block fixed on back side of a door frame on its post, is known as
A. cleat
B. stop
C. horn
D. none of these.
Answer: Option B
The minimum thickness of walls built in cement mortar (1 : 6) for a single storey building, is
A. 10 cm
B. 15 cm
C. 20 cm
D. 25 cm
Answer: Option C
Basic Civil Engineering MCQ Questions and Answers PDF
A particle executes a simple harmonic motion. While passing through the mean position, the particle possesses
A. maximum kinetic energy and minimum potential energy
B. maximum kinetic energy and maximum potential energy
C. minimum kinetic energy and maximum potential energy
D. minimum kinetic, energy and minimum potential energy
Answer: Option A
Two forces of 6 Newtons and 8 Newtons which are acting at right angles to each other, will have a resultant of
A. 5 Newtons
B. 8 Newtons
C. 10 Newtons
D. 12 Newtons.
Answer: Option C
For the maximum range of a projectile, the angle of projection should be
A. 30°
B. 45°
C. 60°
D. none of these.
Answer: Option B
Kinetic friction may be defined as
A. friction force acting when the body is just about to move
B. friction force acting when the body is in motion
C. angle between normal reaction and resultant of normal reaction and limiting friction
D. ratio of limiting friction and normal reaction.
Answer: Option B
A spring scale in a stationary lift shows a reading of 60 kg for a man standing on it. If the lift starts descending at an acceleration of g/5, the scale reading would be
A. 48 kg
B. 60 kg
C. 72 kg
D. none of these.
Answer: Option C
Newton's law of Collision of elastic bodies states that when two moving bodies collide each other, their velocity of separation
A. is directly proportional to their velocity of approach
B. is inversely proportional to their velocity of approach
C. bears a constant ratio to their velocity of approach
D. is equal to the sum of their velocities of approach.
Answer: Option C
A particle moves with a velocity of 2 m/sec in a straight line with a negative acceleration of 0.1 m/sec2. Time required to traverse a distance of 1.5 m, is
A. 40 sec
B. 30 sec
C. 20 sec
D. 15 sec
Answer: Option C
A 50 kg boy climbs up a 8 m rope in gymnasiam in 10 sec. The average power developed by the boy is approximately
A. 400 watts
B. 500 watts
C. 4000 watts
D. none of these.
Answer: Option A
If the angle between the applied force and the direction of motion of a body, is between 90° and 180°, the work done, is called
A. virtual work
B. imaginary work
C. zero work
D. negative work.
Answer: Option D
The inherent property of a body which offers reluctance to change its state of rest or uniform motion, is
A. weight
B. mass
C. interia
D. momentum.
Answer: Option C
Building Materials Civil Engineering MCQ
A bull nose brick is not used for
A. rounding off sharp corners
B. pillars
C. decoration purpose
D. arches.
Answer: Option D
Plaster of Paris is obtained by calcining
A. bauxite
B. gypsum
C. kankar
D. lime stone
Answer: Option B
Basalt is
A. sedimentary rock
B. metamorphic rock
C. extrusive igneous rock
D. intrusive igneous rock.
Answer: Option C
The steel used for the manufacture of rails, is
A. Bessemer steel
B. mild steel
C. cast steel
D. stainless steel.
Answer: Option A
Dolomite is a lime stone which contains carbonate of magnesia upto
A. 15%
B. 20%
C. 25%
D. 45%
Answer: Option D
Stones used for rubble masonry must be
A. soft
B. hard
C. light
D. heavy.
Answer: Option B
The frog of a brick is normally made on its
A. top face
B. bottom face
C. longer face
D. shorter side
Answer: Option A
Slump test for concrete is carried out, to determine
A. strength
B. durability
C. workability
D. water content.
Answer: Option C
According to IS 399-1963, the weight of the timber is specified at
A. 8% moisture content
B. 10% moisture content
C. 12% moisture content
D. 14% moisture content.
Answer: Option C
A well seasoned timber may contain moisture up to
A. 4 to 6%
B. 6 to 8%
C. 8 to 10%
D. 10 to 12%.
Answer: Option D
Basic Civil Engineering MCQ Questions and Answers PDF
The dimensions of a 35 litre forma for measuring aggregates by volume, are :
A. length 30 cm, breadth 25 cm, height 30 cm
B. length 39 cm, breadth 25 cm, height 32 cm
C. length 27 cm, breadth 27 cm, height 48 cm
D. length 220 cm, breadth 25 cm, height 40 cm
E. none of these.
Answer: Option C
The shuttering of a hall measuring 4 m x 5 m, can be removed after
A. 5 days
B. 7 days
C. 10 days
D. 14 days
E. 21 days
Answer: Option B
Pick up the correct statement from the following:
A. There should not be any loss of cement from the charged drum of the mixer
B. Cement should be mixed for at least one minute
C. 10% of water is placed in the rotating drum before adding dry material
D. 10% of water is added after placing the other ingredients in the drum
E. All the above.
Answer: Option E
If 50 kg of fine aggregates and 100 kg of coarse agregates are mixed in a concrete whose water cement ratio is 0.6, the weight of water required for harsh mix, is
A. 8 kg
B. 10 kg
C. 12 kg
D. 14 kg
E. 15 kg.
Answer: Option C
The entrained air in concrete
A. increases workability
B. decreases workability
C. decreases resistance to weathering
D. increases strength
Answer: Option A
The bulk density of aggregates, depends upon
A. shape
B. grading
C. compaction
D. all the above.
Answer: Option D
Pick up the correct statement from the following:
A. The bulk density of fine aggregate is usually about 10 per cent more than that of coarse aggregate of similar composition
B. The specific gravity of aggregate is important for the determination of the moisture content
C. The absorption and porosity of an aggregate influence the property of the concrete
D. A highly absorptive aggregate reduces the workability of concrete considerably
E. All the above.
Answer: Option E
Horizontal construction joints in concrete walls are generally provided at
A. soffit level
B. window sill level
C. floor level
D. all the above.
Answer: Option D
Pick up the correct statement from the following:
A. Construction joints in columns are provided a few cm below the junction of beam
B. Construction joints in columns are provided at the bottom haunching
C. Construction joints in beams and slabs are provided within middel third
D. Constructionjoints are generally provided in positions subjected to least shear force
E. All the above.
Answer: Option E
For a concrete mix 1:3:6 and water cement ratio 0.6 both by weight, the quantity of water required per bag, is
A. 10 kg
B. 12 kg
C. 14 kg
D. 16 kg
Answer: Option C
Basic Civil Engineering MCQ Questions and Answers PDF
The estimated time required to perform an activity, is known as
A. event
B. dummy
C. duration
D. float.
Answer: Option C
A CPM family includes
A. CPA (Critical Path Analysis)
B. CPP (Critical Path Plotted)
C. MCE (Minimum Cost Expenditure)
D All the above.
Answer: Option D
The time which results in the leasi, possible construction cost of an activity, is known
A. normal time
B. slow time
C. crash time
D. standard time
Answer: Option B
Modular co-ordination of construction means proper
A. planning
B. designing
C. execution
D. all the above.
Answer: Option D
The performance of a specific task in CPM, is known
A. Dummy
B. Event
C. Activity
D. Contract.
Answer: Option C
Completion of an activity on CPM network diagram, is generally known
A. Event
B. Node
C. Connector
D. All the above
Answer: Option D
The difference between the time avail-to do a job and the time required to do the job, is known as
A. event
B. float
C. duration
D. constraint.
Answer: Option B
The first method invented for planning projects, was
A. Bar chart method
B. Milestone chart
C. Critical path method (CPM)
D. Programme Evaluation and Review Technique (PERT)
Answer: Option A
A Milestone chart
A. shows the interdependencies of various jobs
B. depicts the delay of jobs, if any
C. points outgoing ahead of schedule of jobs, if any
D. none of these.
Answer: Option D
If the total float and duration of an activity are 5 and 10 days respectively, the particular activity can be
A. started 5 days later
B. completed 5 days later
C. performed at slower rate in 15 days
D. all the above.
Answer: Option D
Bar charts are suitable for
A. minor works
B. major works
C. large projects
D. all the Above
Answer: Option A
Environmental Engg MCQ Civil Engineering MCQ
Sewage treatment units are designed for
A. Maximum flow only
B. Minimum flow only
C. Average flow only
D. Maximum and minimum flow
Answer: Option C
A sewer that receives the discharge of a number of house sewers is called
A. House sewer
B. Lateral sewer
C. Intercepting sewer
D. Sub-main sewer
Answer: Option B
The means of access for inspection and cleaning of sewer line is known as
A. Inlet
B. Manhole
C. Drop manhole
D. Catch basin
Answer: Option B
In chlorination, with the rise in temperature of water, death rate of bacteria
A. Increases
B. Decreases
C. Remains unaffected
D. None of the above
Answer: Option A
If the total hardness of water is greater than its total alkalinity, the carbonate hardness will be equal to
A. Total alkalinity
B. Total hardness
C. Total hardness total alkalinity
D. Non carbonate hardness
Answer: Option A
The correct relation between theoretical oxygen demand (TOD), Biochemical oxygen demand (BOD) and Chemical oxygen demand (COD) is given by
A. TOD > BOD > COD
B. TOD > COD > BOD
C. BOD > COD > TOD
D. COD > BOD > TOD
Answer: Option B
The maximum efficiency of BOD removal is achieved in
A. Oxidation pond
B. Oxidation ditch
C. Aerated lagoons
D. Trickling filters
Answer: Option B
Activated carbon is used for
A. Disinfection
B. Removing hardness
C. Removing odours
D. Removing corrosiveness
Answer: Option C
As compared to rapid sand filters, slow sand filters give
(i) Slower filtration rate
(ii) Higher filtration rate
(iii) Lesser efficiency in removal of bacteria
(iv) Higher efficiency in removal of bacteria
The correct answer is
A. (i) and (ii)
B. (ii) and (iii)
C. (i) and (iv)
D. (ii) and (iv)
Answer: Option C
The maximum permissible limit for fluoride in drinking water is
A. 0.1 mg/liter
B. 1.5 mg/liter
C. 5 mg/liter
D. 10 mg/liter
Answer: Option B
Highway Civil Engineering MCQ
The normal road land width for a major district road in open area, is
A. 45 m
B. 25 m
C. 15 m
D. 12 m
Answer: Option B
When an up gradient of a highway meets a downgrade, the vertical curve provided, is known as
A. valley curve
B. sag curve
C. summit curve
D. all the above.
Answer: Option C
The convexity provided to the carriageway between the crown and edge of the pavement, is known as
A. super-elevation
B. camber
C. height of the pavement
D. None of these.
Answer: Option B
The minimum design speed of various types of highways in plain terrain is the same as the ruling design speed of
A. rolling terrain
B. mountainous terrain
C. steep terrain
D. none of these.
Answer: Option A
The type of transition curves generally provided on hill roads, is
A. circular
B. cubic parabola
C. Lemniscate
D. spiral.
Answer: Option D
Curves in the same direction separated by short tangents, are called
A. simple circular curves
B. compound curves
C. transition curves
D. broken-back curves.
Answer: Option D
For maximum strength and durability minimum percentage of cement, by weight is
A. 15%
B. 20%
C. 25%
D. 30%
Answer: Option D
The first stage of deciding the alignment of a hill road, is
A. reconnaissance
B. detailed survey
C. trace-out
D. preliminary survey.
Answer: Option A
Roadway width for a National highways and State highways (two-lanes) is
A. 12 m
B. 9 m
C. 9.5 m
D. 15 m
Answer: Option A
Maximum super-elevation on hill roads should not exceed
A. 5%
B. 7%
C. 8%
D. 10%
Answer: Option D
Irrigation Engineering MCQ
Borrow pits should preferably be located in
A. Field on the left side of the canal
B. Field on the right side of the canal
C. Fields on both sides of the canal
D. Central half width of the section of the canal
Answer: Option D
Bed bars in a canal are provided
A. To watch the general behavior of canal
B. To measure the discharge
C. To raise the supply level
D. To control the silting
Answer: Option A
The sensitivity of a rigid module is
A. zero
B. between zero and one
C. 1
D. infinity
Answer: Option A
The uplift pressure on the face of a drainage gallery in a dam is taken as
A. hydrostatic pressure at toe
B. average of hydrostatic pressure at toe and heel
C. two-third of hydrostatic pressure at toe plus one-third of hydrostatic pressure at heel
D. none of the above
Answer: Option C
The water face of the guide banks, is protected by
A. One men stone pitching
B. Two man stone pitching
C. Three man stone pitching
D. Four man stone pitching
Answer: Option A
The ratio of the average load to the installed capacity of the plant whose reserve capacity is zero will be equal to
A. Load factor
B. Plant factor
C. Utilization factor
D. Both (A) and (B)
Answer: Option D
The state of the soil when plants fail to extract sufficient water for their requirements, is
A. Maximum saturated point
B. Permanent wilting point
C. Ultimate utilization point
D. None of these
Answer: Option D
Under the same conditions, which of the following shapes of water surface will give the highest rate of evaporation ?
A. flat water surface
B. convex water surface
C. concave water surface
D. independent of shape of water surface
Answer: Option B
For a unique design of a channel by Kennedy's theory
A. Its breadth must only be known
B. Its depth must only be known
C. Its breadth and depth ratio must only be known
D. All the above
Answer: Option C
The ratio of average values of shear stresses produced on the bed and the banks of a channel due to flowing water is
A. less than 1
B. equal to 1
C. greater than 1
D. equal to zero
Answer: Option C
RCC Structures Design Civil Engineering MCQ
The weight of a foundation is assumed as
A. 5% of wall weight
B. 7% of wall weight
C. 10% of wall weight
D. 12% of wall weight
Answer: Option C
The steel generally used in R.C.C. work, is
A. stainless
B. mildsteel
C. high carbon steel
D. high tension steel
Answer: Option B
The steel generally used in R.C.C. work, is
A. stainless
B. mildsteel
C. high carbon steel
D. high tension steel.
Answer: Option B
Steel beam theory is used for
A. design of simple steel beams
B. steel beams encased in concrete
C. doubly reinforced beams ignoring compressive stress in concrete
D. beams if shear exceeds 4 times allowable shear stress.
Answer: Option C
On piles, the drop must be at least
A. 80 cm
B. 100 cm
C. 120 cm
D. 140 cm
Answer: Option C
The weight of a foundation is assumed as
A. 5% of wall weight
B. 7% of wall weight
C. 10% of wall weight
D. 12% of wall weight
Answer: Option C
If the length of an intermediate span of a continuous slab is 5m, the length of the end span is kept
A. 4.5 m
B. 4.0 m
C. 3.5 m
D. 3.0 m
Answer: Option A
In the zone of R.C.C. beam where shear stress is less than 5 kg/cm2, nominal reinforcement is provided at a pitch of
A. one-half lever arm of the section
B. one-third lever arm of the section
C. lever arm of the section
D. one and half lever arm of the section.
Answer: Option C
The load stress of a section can be reduced by
A. decreasing the lever arm
B. increasing the total perimeter of bars
C. replacing larger bars by greater number of small bars
D. replacing smaller bars by greater number of greater bars
Answer: Option C
A flat slab is supported
A. on beams
B. on columns
C. on beams and columns
D. on columns monolithicaily built with slab
Answer: Option D
Railway Engineering MCQ
Which of the following devices is used to transfer the wagons or locomotives to and from parallel tracks without any necessity of shunting ?
A. triangle
B. turntable
C. traverser
D. scotch block
Answer: Option C
Wear of rails is maximum in weight of
A. tangent track
B. sharp curve
C. tunnels
D. coastal area
Answer: Option B
Flat mild steel bearing plates are used
A. For points and crossings in the lead portion
B. With wooden sleepers at locations where creep is likely to be developed
C. On all joints and curves
D. On all the above
Answer: Option A
The main function of a fish plate is
A. To join the two rails together
B. To join rails with the sleeper
C. To allow rail to expand and contract freely
D. None of the above
Answer: Option A
Loose jaws of steel trough sleepers are made of
A. cast steel
B. mild steel
C. cast iron
D. spring steel
Answer: Option D
A triangle is used for
A. Changing the direction of engine
B. Transferring wagons to and from parallel tracks without shunting
C. Separating all the sidings and shunting lines from main lines
D. Preventing the vehicles from running off the track
Answer: Option A
The purpose of providing fillet in a rail section is to
A. Increase the lateral strength
B. Increase the vertical stiffness
C. Avoid the stress concentration
D. Reduce the wear
Answer: Option C
The rail is designated by its
A. length
B. weight
C. cross-section
D. weight per unit length
Answer: Option D
Yellow lighthand signal indicates
A. stop
B. proceed
C. proceed cautiously
D. none of the above
Answer: Option C
Gauge is the distance between
A. center to center of rails
B. running faces of rails
C. outer faces of rails
D. none of the above
Answer: Option B
Soil Mechanics and Foundation Engineering
The specific yield of soil depends upon
A. compaction of stratum
B. distribution of pores
C. shape and size of particles
D. all the above.
Answer: Option D
Cohesionless soil is
A. sand
B. silt
C. clay
D. clay and silt.
Answer: Option A
The water content in a soil sample when it continues to loose weight without loosing the volume, is called
A. Shrinkage limit
B. Plastic limit
C. liquid limit
D. semi-solid limit.
Answer: Option A
In a fow net
A. flow lines and equipotential lines cross each other at right angles
B. fields are rectangles whose length is twice the breadth
C. smaller the dimensions of the field, smaller will be the hydraulic gradient and velocity of flow through it
D. for homogeneous soil, the curves are smooth and circular.
Answer: Option A
The specific gravity of quartz, is
A. 2.65
B. 2.72
C. 2.85
D. 2.90
Answer: Option A
The maximum net pressure intensity causing shear failure of soil, is known
A. safe bearing capacity
B. net safe bearing capacity
C. net ultimate bearing capacity
D. ultimate bearing capacity.
Answer: Option C
A soil sample has passing 0.075 mm sieve = 60% liquid limit = 65% and plastic limit = 40%. The group index of the soil, is
A. 5
B. 20
C. 40
D. none of these.
Answer: Option D
The ratio of the volume of water present in a given soil mass to the total volume of its voids, is known
A. porosity
B. void ratio
C. percentage voids
D. degree of saturation.
Answer: Option D
The shearing force acting along the slice of a curved surface of slippage, causes the soil to slide
A. down at the centre
B. down at the toe
C. upward at the centre
D. none of these.
Answer: Option A
The compression resulting from a long term static load and consequent escape of pore water, is known as
A. compaction
B. consolidation
C. swelling
D. none of these
Answer: Option B
Steel Structure Design Civil Engineering MCQ
The main type of butt joints, is a double cover
A. shear riveted joint
B. chain riveted joint
C. zig-zag riveted joint
D. all the above.
Answer: Option D
The load on a lintel is assumed as uniformly distributed if the height of the masonry above it, is upto a height of
A. the effective span
B. 1.25 times the effective span
C. 1.50 times the effective span
D. 2.0 times the effective span
E. 2.5 times the effective span.
Answer: Option B
If d is the distance between the flange angles of a plate girder, vertical stiffeners are provided at a distance not greater than
A. d but not less than 0.20 d
B. 1.25 d but not less than 0.33 d
C. 1.5 d but not less than 0.33 d
D. 2.0 d but not less than 0.50 d
E. 2.5 d but not less than 0.50 d
Answer: Option C
Outstanding length of a compression member consisting of a channel, is measured as
A. half of the nominal width
B. nominal width of the section
C. from the edge to the first row of rivets
D. none of these.
Answer: Option B
Stiffeners are used in a plate girder
A. to reduce the compressive stress
B. to reduce the shear stress
C. to take the bearing stress
D. to avoid buckling of web plate.
Answer: Option D
The diameter of a bolt hole is taken as the nominal diameter of the bolt plus
A. 1.0 mm
B. 1.2 mm
C. 1.4 mm
D. 1.6 mm
Answer: Option D
The beam outside a wall upto floor level above it, is known as
A. rafter
B. purlin
C. spandrel beam
D. lintel
E. none of these.
Answer: Option C
In rolled steel beams, shear force is mostly resisted by
A. web only
B. flanges only
C. web and flanges together
D. none of these.
Answer: Option A
If the thickness of a structural member is small as compared to its length and width, it is classified as
A. one dimensional
B. two dimensional
C. three dimensional
D. none of these
Answer: Option B
The minimum width B of a solid casing for a cased beam, is equal to
A. B = b + 25 mm
B. B = b + 50 mm
C. B = b + 75 mm
D. B = b + 100 mm
Answer: Option D
Strength of Materials
The effect of arching a beam, is
A. to reduce the bending moment throughout
B. to increase the bending moment throughout
C. nothing on the bending throughout
D. all the above.
Answer: Option A
A 8 metre long simply supported rectangular beam which carries a distributed load 45 kg/m. experiences a maximum fibre stress 160 kg/cm2. If the moment of inertia of the beam is 640 cm4, the overall depth of the beam is
A. 10 cm
B. 12 cm
C. 15 cm
D. 16 cm
Answer: Option A
When loads are applied proportionately to a frame structure containing its members in one plane, the structure is called
A. grid frame
B. plane frame
C. space frame
D. truss frame.
Answer: Option B
If the stress in each cross-section of a pillar is equal to its working stress, it is called
A. body of equal
B. body of equal section
C. body of equal strength
D. none of these.
Answer: Option C
The phenomenon of slow growth of strain under a steady tensile stress, is called
A. yielding
B. creeping
C. breaking
D. none of these
Answer: Option B
A cylinder is said to be thin if the ratio of its thickness and diameter, is less than
A. 1/25
B. 1/20
C. 1/15
D. 1/10
Answer: Option D
The maximum bending moment due to a moving load on a simply supported beam, occurs
A. at the mid span
B. at the supports
C. under the load
D. anywhere on the beam
Answer: Option C
Hooke's law states that stress and strain are
A. directly proportional
B. inversely proportional
C. curvilinearly related
D. none of these.
Answer: Option A
The shear force on a simply supported beam is proportional to
A. displacement of the neutral axis
B. sum of the forces
C. sum of the transverse forces
D. algebraic sum of the transverse forces of the section
Answer: Option D
An arch with three hinges, is a structure
A. statically determinate
B. statically indeterminate
C. geometrically unstable
D. structurally sound but indeterminate
Answer: Option A
Surveying
The first reading from a level station is
A. foresight
B. intermediate sight
C. back-sight
D. any sight.
Answer: Option C
If the length of a transition curve to be introduced between a straight and a circular curve of radius 500 m is 90 m, the maximum deflection angle to locate its junction point, is
A. 1°43' 08"
B. 1°43' 18"
C. 1°43' 28"
D. 1°43' 38"
Answer: Option C
The length of a traverse leg may be obtained by multiplying the latitude and
A. secant of its reduced bearing
B. sine of its reduced bearing
C. cosine of its reduced bearing
D. tangent of its reduced bearing.
Answer: Option A
Pick up the correct statement from the following :
A. a refracting telescope consists optically of two lenses
B. the principal axes of both the lenses coincide the optical axis of the telescope
C. the lens nearer the object to be viewed is convex and is called objective
D. all the above.
Answer: Option D
An internal focussing type surveying telescope, may be focussed by the movement of
A. objective glass of the telescope
B. convex-lens in the telescope
C. concave lens in the telescope
D. plano-convex lens in the telescope.
Answer: Option C
Greater accuracy in linear measurements, is obtained by
A. tacheometry
B. direct chaining
C. direct taping
D. all the above.
Answer: Option C
From any point on the surface with a given inclination
A. only one contour gradient is possible
B. two contour gradients are possible
C. indefinite contour gradients are possible
D. all the above.
Answer: Option C
Angles to a given pivot station observed from a number of traverse stations when plotted, the lines to the pivot station intersect at a common point
A. angular measurements are correct and not the linear measurements
B. linear measurements are correct and not the angular measurements
C. angular and linear measurements are correct and not the plotting of traverse
D. angular and linear measurements and also plotting of the traverse are correct.
Answer: Option D
Reduced bearing of a line is an angle between
A. north line and given line measured clockwise
B. north line and given line measured anticlockwise
C. east or west and the given line
D. given line and the part of the meridian whether N end or S end, lying adjacent to it.
Answer: Option D
While measuring with a metallic tape of 30 m length pull should be applied
A. 1 kg
B. 2 kg
C. 3 kg
D. 4 kg
Answer: Option C
Tunneling
Which one of the following methods is generally used for the layout of the muck-car tracks
A. the grass hopper method
B. passing track method
C. the cherry picker
D. All the above.
Answer: Option B
For transferring the tunnel alignment through shafts, we adopt the following steps :
1. Hanging two or more plumb lines in the shaft
2. Determining the bearing of the plumb lines i.e. plumb plane
3. Suspending a 35 kg weight by each plumb line
4. Immersing the weights of both the plumb lines in the buckets containing water.
The correct sequence of steps is :
A. 1 2 3 4
B. 4 3 2 1
C. l 3 2 4
D. 2 1 4 3
Answer: Option A
For initial surveys of tunnels, the following activities are involved:
1. Marking portal point with concrete pillars on the ground
2. Marking tunnel obligatory points on the topographical maps
3. Preliminary setting of the tunnel on the topographical Survey of India maps
3. Driving lines between the fixed obligatory points.
The correct sequence of the activities is :
A. 3 2 4 1
B. 1 2 3 4
C. 4 3 1 2
D. 2 4 3 1
Answer: Option A
For full face method, the excavation to be done is generally divided into
A. two sections
B. three sections
C. four sections
D. five sections.
Answer: Option B
The tunnels, the artificial underground passages are constructed for :
A. highways
B. railways
C. sewerage
D. All the above
Answer: Option D
Waste Water Engineering
Nitrogen cycle of sewage, is
A. Liberation of ammonia-formation of nitrites-formation of nitrates-liberation of nitrogen
B. Liberation of nitrogen-liberation of ammonia-formation of nitrites- formation of nitrates
C. Liberation of nitrogen-formation of nitrates-formation of nitrites-liberation of ammonia
D. Formation of nitrates-formation of nitrites-liberation of nitrates-liberation of nitrates
Answer: Option A
The sewage treatment in septic tanks is due to
A. Anaerobic decomposition
B. Aerobic decomposition
C. Parasitic decomposition
D. None of these
Answer: Option A
The sewer which transports the sewage to the point of treatment, is called
A. House sewer
B. Out-fall sewer
C. Branch sewer
D. Main sewer
Answer: Option B
Which one of the following gases is most significant as air pollutant?
A. Carbondioxide
B. Oxygen
C. Nitrogen
D. Sulphur-dioxide
Answer: Option D
Dry weather flow is:
A. Average daily rate of flow
B. Average monthly rate of flow
C. Average annual rate of flow
D. Water supply allowance per capita
Answer: Option D
Are available in size Stoneware sewers
A. 10 cm
B. 15 cm
C. 20 cm
D. All the above
Answer: Option D
A manhole is generally provided at each
A. Bend
B. Junction
C. Change of gradient
D. All the above
Answer: Option D
In case of Imhoff tanks,
A. The shape is rectangular
B. Detention period is 2 hours
C. The velocity of flow is restricted to 0.30 m/minute
D. All the above
Answer: Option D
Clogging of sewers, is caused due to
A. Silting
B. Low discharge
C. Greasy and oily matters
D. All the above
Answer: Option D
Acid regression stage of sludge digestion at a temperature 21°C extends over a period of
A. 15 days
B. 30 days
C. 60 days
D. 90 days
Answer: Option D
Water Supply Engineering
In pressure supply mains, water hammer pressure is reduced by providing
A. Sluice valves
B. Air valves
C. Pressure relief valves
D. None of these
Answer: Option C
Asbestos pipes are
A. light in weight and easy to transport
B. highly resistant to corrosion
C. very much smooth and hydraulically efficient
D. all the above
Answer: Option D
If the chosen diameter of a pipe, is less than the economical diameter
A. Cost of pipe will be less
B. Head loss will be high
C. Cost of pumping will be more than saving
D. All the above
Answer: Option D
The maximum depth of sedimentation tanks is limited to
A. 3 m
B. 4 m
C. 5 m
D. 6 m
Answer: Option D
Acidity in water is caused due to
A. Mineral acids
B. Free CO₂
C. Aluminium sulfate
D. All the above.
Answer: Option D
Biochemical Oxygen Demand (B.O.D.) of safe drinking water must be
A. nil
B. 5
C. 10
D. 15
Answer: Option A
By boiling water, hardness can be removed if it is due to
A. calcium sulphate
B. magnesium sulphate
C. calcium nitrate
D. calcium bicarbonate
Answer: Option D
While determining the yield of open wells by the pumping test
A. Velocity of recharging water, increases with depression head
B. Depression head resulting at critical velocity, is called critical depression head
C. Working head is generally limited to ?rd of the critical depression head
D. Maximum safe yield of an open well, is expected at critical depression head
Answer: Option D
The process of passing water through beds of granular materials, is called
A. Screening
B. Sedimentation
C. Filtration
D. None of these
Answer: Option C
Time of concentration
A. is the time taken, for precipitation
B. duration of rainfall.
C. time taken for all the ran off to reach the drain
D. time taken for the storm water to travel from the most remote point to the drain.
Answer: Option D
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