500 Best Hydraulics MCQ
Q89). On an inclined plane, centre of pressure is located
a).at the centroid
b).above the centroid
c).below the centroid
d).anywhere.
Correct Answer:
below the centroid
Explanation:
Q90). Atmospheric pressure is equal to water column head of
a).9.81 m
b).5.0 m
c).10.30 m
d).7.50 m
Correct Answer:
10.30 m
Explanation:
Q91). Shear stress is directly proportional to
a).the velocity
b).the shear strain
c).the viscosity
d).the velocity
Correct Answer:
the shear strain
Explanation:
Q92). To avoid an interruption in the flow of a syphon, an air vessel is provided
a).at the inlet
b).at the outlet
c).at the summit
d).at any point between intet and outlet
Correct Answer:
at the summit
Explanation:
Q93). Pick up the correct statement from the following :
a).Total energy gradient is the graphical representation of the total head at any section of a pipe line
b).Vertical distance between the total energy line and hydraulic grade line is equal to the velocity head
c).Vertical distance between the total energy line and total energy gradient represents loss of head
d).all of the above.
Correct Answer:
all of the above.
Explanation:
Q94). A fluid particle may possess the displacement of
a).translation
b).rotation
c).distortion
d).all the above.
Correct Answer:
all the above.
Explanation:
Q95). Pick up the correct statement from the following :
a).When the length of the tube is equal to diameter of the internal mouth piece, the jet of liquid comes out without touching the sides of the tube
b).When the length of the tube is three times the diameter of the internal mouth piece, the jet diameter is equal to diameter of the tube.
c).both (a) and (b)
d).Neither (a) nor (b).
Correct Answer:
both (a) and (b)
Explanation:
Q96). Piezometers are used to measure
a).pressure in water channels, pipes etc.
b).difference in pressure at two points
c).atmospheric pressure
d).very low pressure.
Correct Answer:
very low pressure.
Explanation: