Hydraulics

121) Hot wire anemometer is used to measure

Discuss in Comment

velocity of gas

122) The pitot tube is used to measure

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stagnation pressure

123) In steady flow of a fluid, the total acceleration of any fluid particle

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can be zero

124) Coefficient of velocity of venturimeter

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is equal to the coefficient of discharge of venturimeter

125) For laminar flow in a pipe of circular cross-section, the Darcy’s friction factor f

Discuss in Comment

inversely proportional to Reynolds number and independent of pipe wall roughness

126) Separation of flow occurs when

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the boundary layer comes to rest

127) The velocity distribution for laminar flow through a circular tube

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varies parabolically with maximum at the centre

128) The losses are more in

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turbulent flow

129) The hydraulic jump always occurs from

Discuss in Comment

below critical depth to above critical depth

130) For shooting flow the Froude number is

Discuss in Comment

greater than one

Subject Notes

Objective Box

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