Q. Determine the head over sill of a 90° V-notch when the discharge passing over it is 100 lit/sec. consider Cd 0.6.
✅ Correct Answer: (C)
0.346 m
Hydraulics MCQs | Page - 15
Dear candidates you will find MCQ questions of Hydraulics here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. A 12 m long weir is subdivided by four intermediate vertical posts each 0.6 m wide. If the weir is discharging under a head of 0.5 m, calculate discharge using Francis formula.
✅ Correct Answer: (A)
5.895 m3/sec
Q. As the flow moves in the pipe, fluid pressure decreases.
✅ Correct Answer: (A)
true
Q. The velocity of liquid particles at the centre of pipe is less than the velocity of particles near the inner surface of pipe.
✅ Correct Answer: (B)
false
Q. The frictional resistance is proportional to the velocity in laminar flow
✅ Correct Answer: (A)
true
Q. The fR depends on the nature of the surface of contact in laminar flow.
✅ Correct Answer: (B)
false
Q. Head loss due to sudden enlargement.
✅ Correct Answer: (C)
h = (V2 – V3)2/2g
Jump to