When a plate is immersed in a liquid parallel to the flow, it will be subjected

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Question
When a plate is immersed in a liquid parallel to the flow, it will be subjected to a pressure __________ that if the same plate is immersed perpendicular to the flow.
Options
A. less than
B. more than

Correct Answer

less than

Hydraulics and Fluid Mechanics problems

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1. 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

4. The metacentric height is the distance between the
Options
A. centre of gravity of the floating body and the centre of buoyancy
B. centre of gravity of the floating body and the metacentre
C. metacentre and centre of buoyancy
D. original centre of buoyancy and new centre of buoyancy

6. 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

9. 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

10. 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

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