Civil Engineering MCQs

Page No. 83

Load factor is____________________?


aalways equal to factor of safety


balways less than factor of safety


calways greater than factor of safety


dsometimes greater than factor of safety



Other conditions being same, the load factor in indeterminate structures is_______________?


aequal to load factor in determinate structures


bmore than the load factor in determinate structures


c less than the load factor in determinate structures


dunpredictable



In the virtual work method, the virtual quantity is_________________?


adisplacement


bload


cslope


dmoment


View Answer displacement

The shape factor of an isosceles triangle for bending about the axis parallel to the base is________________?


a1.5


b1.7


c2.0


d2.34


View Answer 2.34

The minimum thickness of a steel plate, which is directly exposed to weather and is not accessible for cleaning and repainting, should be___________________?


a4.5 mm


b6 mm


c8 mm


d10 mm


View Answer 8 mm

Lug angles_________________?


a are used to reduce the length of connection


bare unequal angles.


c increases shear lag.


dall the above



The connection of intermediate vertical stiffeners to the web, not subjected to external loads, shall be designed for a minimum shear force (kN/m) of___________________?


a75 t2/h


b125 t3/h2


c125 t2/h


d175 t2/h


View Answer 125 t2/h

For rivets in tension with counter-sunk heads, the tensile value shall be____________________?


areduced by 25 %


b reduced by 33.3%


cincreased by 25 %


dincreased by 33.3 %


View Answer reduced by 33.3%

In moment resistant connections, the moment resistance of riveted connection depends upon________________?


ashear in rivets


bcompression in rivets


ctension in rivets


dstrength of rivets in bearing


View Answer tension in rivets

Pitch of tacking rivets, when double angles connected back to back and acting as tension members should not be more than_________________?


a500 mm


b600 mm


c1000 mm


d 300 mm


View Answer 1000 mm

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