Discussion :: Measurements and Instrumentation
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In air friction damping
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A.
the air pressure opposes the motion of piston when it is moving inwards
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B.
the air pressure opposes the motion of piston when it is moving outwards
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C.
the air pressure opposes the motion of piston both when it is moving inwards as well as outwards
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D.
the air pressure may oppose or aid the motion of piston depending on the design
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Answer : Option C
Explanation :
No answer description available for this question.
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