The variation in the volume of a liquid with the variation of pressure is called

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Question
The variation in the volume of a liquid with the variation of pressure is called its
Options
A. surface tension
B. compressibility
C. capillarity
D. viscosity

Correct Answer

compressibility

Hydraulics and Fluid Mechanics problems

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1. The discharge through a channel of trapezoidal section is maximum when
Options
A. width of channel at the top is equal to twice the width at the bottom
B. depth of channel is equal to the width at the bottom
C. the sloping side is equal to half the width at the top
D. the sloping side is equal to the width at the bottom

3. The hammer blow in pipes occurs when
Options
A. there is excessive leakage in the pipe
B. the pipe bursts under high pressure of fluid
C. the flow of fluid through the pipe is suddenly brought to rest by closing of the valve
D. the flow of fluid through the pipe is gradually brought to rest by closing of the valve

7. The absolute pressure is equal to
Options
A. gauge pressure + atmospheric pressure
B. gauge pressure - atmospheric pressure
C. atmospheric pressure - gauge pressure
D. gauge pressure - vacuum pressure

8. The imaginary line drawn in the fluid in such a way that the tangent to any point gives the direction of motion at that point, is known as
Options
A. path line
B. stream line
C. steak line
D. potential line

10. The intensity of pressure at any point, in a liquid, is
Options
A. directly proportional to the area of the vessel containing liquid
B. directly proportional to the depth of liquid from the surface
C. directly proportional to the length of the vessel containing liquid
D. inversely proportional to the depth of liquid from the surface

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