Civil Engineering MCQs

Page No. 203

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_______________?


a [W (1 + f/ G)]/ A


b (1 – g/f)/A


c [W (2 + f/G)]/A


d[W (2 + g/f)]/A


View Answer [W (1 + f/ G)]/ A

length of a column of length L, having one end fixed and other end hinged, is The equivalent_____________?


a 2 L


bL


cL/2


dL


View Answer L

If and are external and internal diameters of a circular shaft respectively, its polar moment of inertia, is________________?


aD4 – d4)


bD4 – d4)


c D4 – d4)


dD4 – d4)


View Answer D4 – d4)

The force in EC of the truss shown in the given figure, is__________________?


aZero


b 5t tension


c5t compression


d4t tension


View Answer 5t compression

The ratio of the length and depth of a simply supported rectangular beam which experiences


a 1/2


b 2/3


c1/4


d1/3


View Answer 2/3

The maximum deflection due to a load W at the free end of a cantilever of length L and having flexural rigidity EI, is_____________?


aWL²/2EI


bWL²/3EI


cWL3/2EI


dWL3/3EI


View Answer WL3/3EI

A shaft rotating N.R.M. under a torque T, transmits a power_______________?


a/30 Newton metres/sec


b/30 Newton metres/min


c/60 Newton metres/min


d/60 Newton metres/sec


View Answer /30 Newton metres/sec

A masonry dam (density = 20,000 N/m3) 6 m high, one metre wide at the top and 4 m wide at the base, has vertical water face. The minimum stress at the base of the dam when the reservoir is full, will be_______________________?


a75 N/m2


b750 N/m 2


c7500 N/m 2


d75000 N/m2


View Answer 7500 N/m 2

In plastic analysis, the shape factor for rectangular section, is________________?


a1.4


b1.5


c1.6


d1.7


View Answer 1.5

In the truss shown in the given figure, the force in member BC is______________?


a100 t compressive


b100 t tensile


cZero


dIndeterminate


View Answer Zero

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