Civil Engineering MCQs

Page No. 191

Metacentric height for small values of angle of heel is the distance between the________________?


acentre of gravity and centre of buoy-ancy

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bcentre of gravity and metacentre

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c centre of buoyancy and metacentre

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dfree surface and centre of buoyancy

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Centre of buoyancy always_________________?


acoincides with the centre of gravity

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bcoincides with the centroid of the volume of fluid displaced

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c remains above the centre of gravity

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dremains below the centre of gravity

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The total pressure on a plane surface inclined at an angle 9 with the horizontal is equal to_______________?


a PA

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bpA sin 9

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cpA cos 9

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dpA tan 9

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View Answer PA

An open tank contains 1 m deep water with 50 cm depth of oil of specific gravity 0.8 above it. The intensity of pressure at the bottom of tank will be________________?


a 4 kN/m2

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b10 kN/m2

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c12 kN/m2

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d14 kN/m2

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View Answer 14 kN/m2

For the close coil helical spring of the maximum deflection is__________________?


aWD3n/d4N

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b 2WD3n/d4N

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c4W²D3n/d4N

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d 8WD3n/d4N

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View Answer 8WD3n/d4N

Pick up the correct statement from the following?


aHoop strain of the walls of a cylinder due to liquid is (pd/2tE) (1 – 1/2m)

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b Longitudinal strain in the walls of a cylinder due to liquid is (pd/2 tE) (1/2 – 1/m)

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cVolumetric change in the cylinder due to liquid is (pd/2tE) (5/2 – 2/m)

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dAll the above

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View Answer All the above

inertia of a rectangular section of width and depth about an axis passing The moment of through C.G. and parallel to its width is_______________?


aBD²/6

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b BD3/6

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cBD3/12

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dB²D/6

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View Answer BD3/12

Pick up the correct statement from the following?


aFor a uniformly distributed load, the shear force varies linearly

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bFor a uniformly distributed load, B.M. curve is a parabola

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cFor a load varying linearly, the shear force curve is a parabola

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dAll the above

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View Answer All the above

Pick up the correct statement from the following?


aMcg = M M2 + r2) where letters carry their usual meanings

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bTcp = m2 + T2)where letters carry their usual meanings

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cThe torque which when acting alone would produce maximum shear stress equal to the maximum shear stress caused by the combined bending and torsion, is called equivalent torque

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d All the above

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View Answer All the above

Pick up the incorrect statement from the following: The torsional resistance of a shaft is directly proportional to___________________?


a Modulus of rigidity

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bAngle of twist

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cReciprocal of the length of the shaft

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d Moment of inertia of the shaft section

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