Top 350+ Solved Hydraulics and Fluid Mechanics MCQ Questions Answer
Q. An error of 1% in measuring head over the apex of the notch (H) will produce an error of
a. 1%
b. 1.50%
c. 2%
d. 2.50%
Q. The pressure measured with the help of a piezometer tube is in
a. N / mm2
b. N / m2
c. head of liquid
d. all of these
Q. A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall acts at a distance
a. H / 3
b. H / 2
c. 2H / 3
d. 3H / 4
Q. A weir, generally, used as a spillway of a dam is
a. narrow crested weir
b. broad crested weir
c. Ogee weir
d. submerged weir
Q. The ratio of the inertia force to the
a. pressure force
b. elastic force
c. surface tension force
d. viscous force
Q. The maximum discharge over a broad crested weir is
a. 0.384 Cd x L x H1/2
b. 0.384 Cd x L x H3/2
c. 1.71 Cd x L x H1/2
d. 1.71 Cd x L x H3/2
Q. When a vertical wall is subjected to pressures due to liquid on both sides, the resultant pressure is the
a. sum
b. difference
c. arithmatic mean
d. geometric mean
Q. In the manufacturing of lead shots, the property of surface tension is utilised.
a. Agree
b. Disagree