Railway Airport and Harbour Engineering MCQ Pdf

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 Railway Airport and Harbour Engineering MCQ Pdf


At a given port, the fetch is 400 nautical miles, the maximum height of storm wave will be
A. 2.073 m
B. 8.169 m
C. 9.144 m
D. 6.8 m


Which of the following type of sea walls results in greatest protection of shore structures?
A. vertical sea wall
B. sea wall with batter
C. stepped sea wall
D. sea wall with concave face


Which of the following is a fixed type mooring accessory ?
A. bollard
B. buoys
C. cables
D. anchors


A ship is berthed in a chamber and lifted by principles of buoyancy Such a chamber is called.
A. Dry dock
B. Wet dock
C. Floating dock
D. Refuge dock






Which of the following conditions of loading imposes the greatest load on the foundation in case of dry docks?
A. When the dock is empty
B. When the dock is empty with the ship of maximum tonnage
C. When the dock is full of water
D. When the dock is dry and is under construction

Railway Airport and harbour Engineering Question Bank



The minimum diameter of turning besin, where ships turn by going ahead and without tug assistance should be
A. 1 L
B. 1.5 L
C. 2.0 L
D. 4.0 L


The difference in height between highest high water and lowest low water is called
A. Mean range
B. Maximum range
C. Maximum rise
D. Mean rise


Assertion A : Marine structures are made specially bulky and strong.
Reason R : Sea insects result in undermining of the hardest and the soundest building material.
Select your answer based on the coding system given below:
A. Both A and R are true and R is the correct explanation of A.
B. Both A and R are true but R is not the correct explanation of A.
C. A is true but R is false.
D. A is false but R is true.


For designing the dock, the proportion of ship load assumed to be borne by keel blocks is
A. 5/8
B. 3/8
C. 3/16
D. 5/16


If H is the height of the wave expected, then the height of the breakwater is generally taken as
A. 1.2 H to 1.25 H above the datum
B. 1.2 H to 1.25 H above the low water level
C. 1.2 H to 1.25 H above the high water level
D. 1.2 H to 1.25 H above the mean sea level

Railway Engineering MCQ pdf


A ship strikes the berth generally at an angle
A. 90° with the face of the dock
B. 45° with the face of the dock
C. 30° with the face of the dock
D. 10° with the face of the dock


Assertion A : Depth and width required at the entrance to a harbour are more than those required in the channel.
Reason R : The entrance to a harbour is usually more exposed to waves as compared to the harbour itself.
Select your answer based on the coding system given below:
A. Both A and R are true and R is the correct explanation of A.
B. Both A and R are true but R is not the correct explanation of A.
C. A is true but R is false.
D. A is false but R is true.


In a two lane channel, bottom width of channel is given by
A. Manoeuvring lane + (2 × Bank clearance lane)
B. (2 × Manoeuvring lane) + (2 × Bank clearance lane)
C. (2 × Manoeuvring lane) + (2 × Bank clearance lane + ship clearance lane)
D. Manoeuvring lane + (2 × Bank clearance lane) + ship clearance lane


The maximum harbour depth below lowest low water is generally equal to
(i) loaded draft + 1.2 m when bottom is rock
(ii) loaded draft + 1.8 m when bottom is soft
(iii) loaded draft + 1.2 m when bottom is soft
(iv) loaded draft + 1.8 m when bottom is rock
A. (i) and (ii) are correct
B. (i) and (iii) are correct
C. (ii) and (iv) are correct
D. (iii) and (iv) are correct


In multiple point mooring system, vessel is secured to minimum of
A. Two points
B. Four points
C. Six points
D. Eight points

MCQ ON RAILWAY ENGINEERING PDF


The most popular method of construction of wall breakwaters is
A. Barge method
B. Staging method
C. Low level method
D. none of the above


As per Stevenson’s empirical formula, the approximate value of the height of the wave in metres is given by
(where F is the fetch in km.)
A. 0.34 VF
B. 0.5 VF
C. 1.5 VF
D. 3.4 VF


Assertion A : Basin walls have to be of much grater height than dock walls.
Reason R : Tidal basins are subject to fluctuations of levels due to tidal variations.
Select your answer based on the coding system given below:
Answer & Solution
A. Both A and R are true and R is the correct explanation of A.
B. Both A and R are true but R is not correct explanation of A.
C. A is true but R is false.
D. A is false but R is true.


Consider the following statements in regard to Beaufort scale for wind speeds,
(i) The Beaufort number ranges from 1 to 12.
(ii) Higher Beaufort number indicates higher speed of wind,
(iii) Beaufort number for calm is smallest and for hurricane is highest
Of these statements
A. (i) and (ii) are correct
B. (ii) and (iii) are correct
C. (i) and (iii) are correct
D. (i), (ii) and (iii) are correct



Assertion A : Large size stones are required in stone revetment in shore protection.
Reason R : Resistance of stone to wave force is proportional to its volume and wave force is proportional to the exposed area of the stone.
A. Both A and R are true and R is the correct explanation of A.
B. Both A and R are true but R is not a correct explanation of A.
C. A is true but R is false.
D. A is false but R is true.

Railway Engineering IMPORTANT Questions


If ‘Hs’ is the significant wave height, then the average wave height and highest wave height respectively are given by
A. 0.6 Hs and 1.67 Hs
B. 0.6 Hs and 1.87 Hs
C. 1.27 Hs and 1.87 Hs
D. 1.27 Hs and 1.67 Hs


Dead weight tonnage of a ship
(i) varies with latitude and season
(ii) is more than displacement tonnage
(iii) is the difference between displacement load and displacement light
Of these statements
A. (i) and (ii) are correct
B. (ii) and (iii) are correct
C. (i) and (iii) are correct
D. Only (iii) is correct


Which of the following are repair docks ?
A. marine railways, dry docks, floating docks, wet docks
B. dry docks, wet docks, floating docks, lift docks
C. wet docks, floating docks, lift docks, marine railways
D. wet docks, lift docks, marine railways, dry docks


If the maximum spring rise is 2 m and height of the waves expected is 4 m , then the breakwater height above the datum will be
A. 2.5 m
B. 4 m
C. 5 m
D. 7 m


In basins subjected to strong winds and tide, the length of the berthing area should not be less than
A. The length of design vessel
B. The length of design vessel + 10% clearance between adjacent vessels
C. The length of design vessel + 20% clearance between adjacent vessels
D. Twice the length of design vessel

Railway Signal Objective Questions and Answers pdf


As compared to wall type breakwater, mound type breakwater
A. Requires skilled labor
B. Requires low maintenance cost
C. Requires less material
D. Results in less damage due to gradual failure


As per Berlin's formula, the length of wave in meters is given by
(Where ’t’ is the period in seconds for two successive waves to pass the same section.)
Answer & Solution
A. 1.3412
B. 1.5612
C. 1.7412
D. 1.9412


Consider the following statements.
(i) Fender is the cushion provided on the face of the jetty for ships to come in contact,
(ii) Slip is the space of water area between two adjacent piers where ships are berthed,
(iii) Pier head is a structure constructed near the tip of a break water near the harbour entrance.
Of the statements
A. (i) and (ii) are correct
B. (ii) and (iii) are correct
C. (i) and (iii) are correct
D. (i), (ii) and (iii) are correct


When a ship floats at its designed water line, the vertical distance from water line to the bottom of the ship is known as
A. Beam
B. Depth
C. Free-board
D. Draft


Assertion A : Intervention of undulations in the sea bed reduces the depth of wave at the section.
Reason R : No wave can have a height greater than the depth of water through which it passes.
Select your answer based on the coding system given below:
A. Both A and R are true and R is correct explanation of A.
B. Both A and R are true but R is not the correct explanation of A.
C. A is true but R is false.
D. A is false but R is true.

Railway Airport and Harbour Engineering MCQ Pdf


Which of the following structures protects the shore by trapping of littoral drift?
A. groynes
B. sea walls
C. revetments
D. moles


Select the incorrect statement.
A. The progress of work in low level method of mound construction is very slow
B. Barge method of mound construction is economical
C. In low level method of mound construction, the area of working is limited
D. In staging method of mound construction, the work is not interrupted even during stormy weather


Which of the following structures are constructed parallel to shore line to develop a demarcating line between land area and water area?
A. Sea walls, bulk heads and groynes
B. Sea walls, bulk heads and revetments
C. Sea walls, revetments and groynes
D. Bulk heads, revetments and groynes



Minimum width of ship clearance shall be (where “B” is beam of the design vessel)
A. B or 30 m
B. 1.5 B or 50 m
C. 1.5 B
D. 50 m

By increasing the rise of lock-gates,
(i) The length of the lock gate will increase
(ii) Transverse stress due to water pressure on the gate will increase
(iii) Compressive force on the gate will increase
A. (i) and (ii) are correct
B. (i) and (iii) are correct
C. Only (ii) is correct
D. Only (iii) is correct

Docks and Harbor Engineering MCQ


When a wave strikes a vertical breakwater in deep water, it is reflected back and on meeting another advancing wave of similar amplitude merges and rises vertically in a wall of water. This phenomenon is called
A. Surf
B. Clapotis
C. Fetch
D. Swell


The significant wave height is defined is the average height of the
A. one – third highest waves
B. one – fourth highest waves
C. one – fifth highest waves
D. one – tenth highest waves

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