civil engineering Mcqs
5701. The degree of indeterminacy of the frame in the given figure, is__________________?
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A. Zero

B. 1

C. 3

D. 2

5702. The vertical reaction for the arch is________________?
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A. wa/l

B. wa/2l

C. wl/a

D. wa/2l

5703. A three hinged arch is generally hinged at its supports and__________________?
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A. At one quarter span

B. None of these

C. At the crown

D. Anywhere in the rib
5704. A lift of weight W is lifted by a rope with an acceleration f. If the area of cross-section of the rope is A, the stress in the rope is_______________?
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A. [W (1 + f/ G)]/ A

B. [W (2 + g/f)]/A

C. [W (2 + f/G)]/A

D. (1 g/f)/A

5705. Pick up the correct statement from the following?
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A. In a loaded beam, the moment at which the entire section of the beam becomes fully plastic, is called plastic moment

B. In a fully plastic stage of the beam, the neutral axis divides the section in two sections of equal area

C. All the above

D. In a loaded beam, the moment at which the first yield occurs is called yield moment

5706. section modulus of a square section of side B and that of a circular section of The ratio of the diameter D, is___________________?
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A. /16

B. 8-Mar

C. 3 /16

D. 15-Feb

5707. For beams of uniform strength, if depth is constant______________?
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A. Width b M

B. Width b 3 M

C. Width b 1/M

D. Width b M

5708. In plastic analysis, the shape factor for a circular section, is_________________?
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A. 1.5

B. 1.7

C. 1.75

D. 1.6

5709. For beams breadth is constant__________________?
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A. Depth d M

B. Depth d 3

C. Depth d

D. Depth d 1/M

5710. The area of the core of a column of cross sectional area A, is_______________?
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A. (1/3) A

B. (1/12) A

C. (1/6) A

D. (1/18) A
5711. A concentrated load P is supported by the free end of a quadrantal ring AB whose end B is fixed. The ratio of the vertical to horizontal deflections of the end A, is______________?
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A. /6

B. /4

C. /2

D. /3

5712. A simply supported beam A carries a point load at its mid span. Another identical beam B carries the same load but uniformly distributed over the entire span. The ratio of the maximum deflections of the beams A and B, will be________________?
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A. 3-Feb

B. 8-May

C. 8/5

D. 2-Mar

5713. The force in EC of the truss shown in the given figure, is__________________?
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A. 4t tension

B. Zero

C. 5t compression

D. 5t tension

5714. In a shaft, the shear stress is not directly proportional to_________________?
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A. Angle of twist

B. Length of the shaft

C. Radius of the shaft

D. Modulus of rigidity

5715. The ratio of maximum shear stress to average shear stress of a circular beam, is________________?
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A. 4-Mar

B. 3-Feb

C. 4/3

D. 2-Mar

5716. The forces acting on the bar as shown in the given figure introduce________________?
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A. None of these

B. Compressive stress

C. Tensile stress

D. Shear stress
5717. A material may fail if______________?
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A. /2

B. Maximum strain exceeds /E

C. 0

D. Maximum shear stress exceeds

E. All the above
5718. A bar L metre long and having its area of cross-section A, is subjected to a gradually applied tensile load W. The strain energy stored in the bar is_________________?
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A. WL/2AE

B. WL/AE

C. WL/AE

D. WL/2AE
5719. A steel rod of sectional area 250 sq. mm connects two parallel walls 5 m apart. The nuts at the ends were tightened when the rod was heated to 100C. If steel = 0.000012/C, Esteel = 0.2 MN/mm2, the tensile force developed at a temperature of 50C, is_________________?
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A. 80 N/mm2

B. 150 N/mm2

C. 120 N/mm2

D. 100 N/mm 2

5720. The maximum harbour depth below lowest low water is generally equal to_________________?
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A. i) loaded draft + 1.2 m when bottom is soft

B. ) loaded draft + 1.8 m when bottom is soft

C. ) loaded draft + 1.8 m when bottom is rock</strong>

D. loaded draft + 1.2 m when bottom is rock
5721. Select the incorrect statement ?
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A. In low level method of mound construction, the area of working is limited.

B. In staging method of mound cons-truction, the work is not interrupted even during stormy weather

C. The progress of work in low level method of mound construction is very slow.

D. Barge method of mound construction is economical.
5722. 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
5723. 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

5724. 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
5725. 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

5726. 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

5727. 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

5728. 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

5729. 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

5730. 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

5731. 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

5732. 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
5733. 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?

5734. 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

5735. 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.

5736. 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
5737. 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.

5738. 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

5739. 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

5740. 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

5741. 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

5742. Consider the following statements?
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A. ) Slip is the space of water area between two adjacent piers where ships are berthed,

B. ect the correct statements?

C. ="color: #003f1a;">(i) Fender is the cushion provided on the face of the jetty for ships to come in contact,

D. i) Pier head is a structure constructed near the tip of a break water near the harbour entrance.</strong></span>

5743. Which of the following structures are constructed parallel to shore line to develop a demarcating line between land area and water area ?
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A. sea walls, bulk heads and groynes

B. bulk heads, revetments and groynes

C. sea walls, bulk heads and revetments

D. sea walls, revetments and groynes

5744. Which of the following structures protects the shore by trapping of littoral drift?
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A. groynes

B. moles

C. sea walls

D. revetments

5745. Which of the following type of sea walls results in greatest protection of shore structures?
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A. stepped sea wall

B. vertical sea wall

C. sea wall with concave face

D. sea wall with batter

5746. 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_________________?
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A. 5 m

B. 7 m

C. 2.5 m

D. 4 m

5747. 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?
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A. ect your answer based on the coding system given below.

5748. At a given port, the fetch is 400 nautical miles, the maximum height of storm wave will be_______________?
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A. 8.169 m

B. 2.073 m

C. 6.8 m

D. 9.144 m
5749. The significant wave height is defined is the average height of the_________________?
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A. one fourth highest waves

B. one third highest waves

C. one tenth highest waves

D. one fifth highest waves

5750. Minimum width of ship clearance shall be__________________?
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A. 50 m

B. 1.5 B or 50 m

C. 1.5 B

D. B or 30 m