civil engineering MCQs – Page 287

Practise multiple-choice questions from civil engineering for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

civil engineering Mcqs
5721. The difference in height between highest high water and lowest low water is called_______________?
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A. mean range

B. maximum rise

C. mean rise

D. maximum range
5722. As per Berlins formula, the length of wave in metres is given by_______________?
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A. 1.9412

B. 1.7412

C. 1.5612

D. 1.3412

5723. In multiple point mooring system, vessel is secured to minimum of____________________?
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A. eight points

B. two points

C. six points

D. four points
5724. If Hs is the significant wave height, then the average wave height and highest wave height respectively are given by_______________?
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A. 1.27 Hs and 1.67 Hs

B. 1.27 Hs and 1.87 Hs

C. 0.6 Hs and 1.87 Hs

D. 0.6 Hs and 1.67 Hs

5725. Dead weight tonnage of a ship_______________?
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A. ect the correct statemens.

B. ) is the difference between displacement load and displacement light</strong>

C. varies with latitude and season

D. is more than displacement tonnage

5726. 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?
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A. ect your answer based on the coding system given below

5727. Which of the following conditions of loading imposes the greatest load on the foundation in case of dry docks?
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A. when the dock is full of water

B. when the dock is empty with the ship of maximum tonnage

C. when the dock is empty

D. when the dock is dry and is under construction

5728. A ship strikes the berth generally at an angle_________________?
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A. 10 with the face of the dock

B. 90 with the face of the dock

C. 45 with the face of the dock

D. 30 with the face of the dock

5729. In basins subjected to strong winds and tide, the length of the berthing area should not be less than____________________?
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A. the length of design vessel + 20% clearance between adjacent vessels

B. the length of design vessel + 10% clearance between adjacent vessels

C. the length of design vessel

D. twice the length of design vessel

5730. By increasing the rise of lockgates_______________?
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A. the length of the lock gate will increase

B. i) compressive force on the gate will increase </strong>

C. ect the correct statements?

D. ) transverse stress due to water pressure on the gate will increase

5731. A ship is berthed in a chamber and lifted by principles of buoyancy Such a chamber is called_________________?
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A. Refuge dock

B. Wet dock

C. Dry dock

D. Floating dock
5732. 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?
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A. ect your answer based on the coding system given below?

5733. Which of the following are repair docks ?
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A. wet docks, floating docks, lift docks, marine railways

B. dry docks, wet docks, floating docks, lift docks

C. wet docks, lift docks, marine railways, dry docks

D. marine railways, dry docks, floating docks, wet docks

5734. 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__________________?
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A. ect your answer based on the coding system given below.

5735. The minimum diameter of turning besin, where ships turn by going ahead and without tug assistance should be___________________?
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A. 1.5 L

B. 2.0 L

C. L

D. 4.0 L
5736. Consider the following statements in regard to Beaufort scale for wind speeds______________?
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A. ) Higher Beaufort number indicates higher speed of wind,

B. i) Beaufort number for calm is smallest and for hurricane is highest </strong>

C. The Beaufort number ranges from 1 to 12.

D. ect the correct statments.

5737. When a ship floats at its designed water line, the vertical distance from water line to the bottom of the ship is known as________________?
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A. draft

B. freeboard

C. depth

D. beam

5738. For designing the dock, the proportion of ship load assumed to be borne by keel blocks is________________?
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A. 16-May

B. 5/8

C. 8-Mar

D. 16-Mar

5739. If H is the height of the wave expected, then the height of the breakwater is generally taken as______________________?
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A. 1.2 H to 1.25 H above the low water level

B. 1.2 H to 1.25 H above the mean sea level

C. 1.2 H to 1.25 H above the high water level

D. 1.2 H to 1.25 H above the datum

5740. In a two lane channel, bottom width of channel is given by_______________?
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A. 2 x Manoeuvring lane + 2 x Bank clearance lane + ship clearance lane

B. Manoeuvring lane + 2 x Bank clearance lane

C. Manoeuvring lane + 2 x Bank clearance lane + ship clearance lane

D. 2 x Manoeuvring lane + 2 x Bank clearance lane