Civil Engineering MCQs

Page No. 90

The heaviest I-section for same depth is_________________?


aISMB


bISLB


cISHB


dISWB


View Answer ISHB

If the thickness of plate to be connected by a rivet is 16 mm, then suitable size of rivet as per Unwin’s formula will be__________________?


a 16 mm


b 20 mm


c 24 mm


d 27 mm


View Answer 24 mm

The difference between gross diameter and nominal diameter for the rivets up to 25 mm diameter is__________________?


a1.0 mm


b1.5 mm


c2.0 mm


d 2.5 mm


View Answer 1.5 mm

When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which________________?


a is at the maximum distance from CG of the rivet group


b is at the minimum distance from CG of the rivet group


c gives the maximum angle between the two forces Fa and Fm


d gives the minimum angle between the two forces Fa and Fm



Bending compressive and tensile stresses respectively are calculated based on_________________?


anet area and gross area


bgross area and net area


cnet area in both cases


dgross area in both cases



When the axis of load lies in the plane of rivet group, then the rivets are subjected to________________?


a only shear stresses


bonly tensile stresses


c both (A) and (B)


d none of the above



If the thickness of thinnest outside plate is 10 mm, then the maximum pitch of rivets in tension will be taken as______________?


a 120 mm


b160 mm


c 200 mm


d 300 mm


View Answer 160 mm

Pick up the correct statement from the following?


a The bent up bars at a support resist the negative bending moment


b The bent up bars at a support resist the sharing force


c The bending of bars near supports is generally at 45°


d All the above


View Answer All the above

Pick up the correct statement from the following?


aIn a gully trap, a water seal of 6 to 7.5 cm is provided


b The gully trap collects waste water from the kitchen, sink, wash basins, etc.


c The gully trap disconnects the sullage drain from the main drainage system


dThe grating provided over gully traps is 23 cm square



Pick up the correct statement from the following?


a All pipes and fittings are classified according to their diameters


b The diameter of the pipes is the nominal diameter of internal bore


c All pipes are measured along the centre line of the pipes in metres


dAll the above


View Answer All the above

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