Exercise: Hydraulics And Fluid Mechanics

Questions for: Hydraulics And Fluid Mechanics

A flow in which the quantity of liquid flowing per second is not constant, is called
A:
streamline flow
B:
turbulent flow
C:
steady flow
D:
unsteady flow
Answer: D
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A body floating in a liquid is said to be not in equilibrium if its metacentre lies below its centre of gravity.
A:
Agree
B:
Disagree
C:
D:
Answer: A
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The sheet of water flowing over a notch or a weir is known as
A:
sill or crest
B:
nappe or vein
C:
orifice
D:
none of these
Answer: B
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The pressure of air __________ with the increase of height from the surface of the earth.
A:
does not change
B:
decreases
C:
increases
D:
Answer: B
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Newton's law of viscosity is a relationship between
A:
pressure, velocity and temperature
B:
shear stress and rate of shear strain
C:
shear stress and velocity
D:
rate of shear strain and temperature
Answer: B
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