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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