Civil Engineering MCQs

Page No. 155

For supplying water to rabi crop, kharif crop and sugarcane, the channel is designed for a capacity equal to the greater of the water requirement of_______________?


arabi or kharif


b rabi and kharif or sugarcane


c rabi and sugarcane or kharif and sugarcane


drabi or kharif or sugarcane



The “outlet discharge factor” is the duty at the head of_________________?


amain canal


b branch canal


cwatercourse


ddistributory


View Answer watercourse

Irrigation water having the concentration of Na++ , Ca++ and Mg++ as 20, 3 and 1 Milli equivalent per litre respectively will be classified as__________________?


alow sodium water


b medium sodium water


chigh sodium water


dvery high sodium water



The value of Sodium Absorption Ratio for high sodium water lies between________________?


a 0 to 10


b 10 to 18


c18 to 26


d26 to 34


View Answer 18 to 26

A force P of 50 N and another force Q of unknown magnitude act at 90° to each other. They are balanced by a force of 130 N. The magnitude of Q is__________________?


a60 N


b80 N


c100 N


d120 N


View Answer 120 N

If the resultant of two forces has the same magnitude as either of the force, then the angle between the two forces is____________________?


a30°


b45°


c60°


d120°


View Answer 120°

The angles between two forces to make their resultant a minimum and a maximum respectively are__________________?


a0° and 90°


b 180° and 90°


c 90° and 180°


d180° and 0°


View Answer 180° and 0°

The resultant of two forces P and Q is R. If Q is doubled, the new resultant is perpendicular to P. Then_________________?


a P = R


b Q = R


cP = Q


dNone of the above is correct


View Answer Q = R

A disc of mass 4 kg, radius 0.5m and moment of inertia 3 kg-m2 rolls on a horizontal surface so that its center moves with speed 5 m/see. Kinetic energy of the disc is ___________________?


a50 J


b150 J


c200 J


d400 J


View Answer 200 J

The following is in unstable equilibrium__________________?


aa uniform solid cone resting on a generator on a smooth horizontal plane


ba uniform solid cone resting on its base on a horizontal plane


ca solid cube resting on one edge


d a satellite encircling the earth



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