A piece of metal of specific gravity 7 floats in mercury of specific gravity 13.6. What fraction of its volume is under mercury?
Answer: C
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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.
Answer: D
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The tendency of a liquid surface to contract is due to the following property
Answer: D
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The torque required to overcome viscous resistance of a footstep bearing is (where μ = Viscosity of the oil, N = Speed of the shaft, R = Radius of the shaft, and t = Thickness of the oil film)
Answer: D
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Euler's dimensionless number relates the following
Answer: D
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The most economical section of a rectangular channel is one which has hydraulic mean depth or hydraulic radius equal to
Answer: A
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The kinematic viscosity of an oil (in stokes) whose specific gravity is 0.95 and viscosity 0.011 poise, is
Answer: A
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When a body floating in a liquid, is displaced slightly, it oscillates about
Answer: D
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Practical fluids
Answer: D
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The vapour pressure over the concave surface is
Answer: A
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