Hydraulics and Fluid Mechanics - Mechanical Engineering Questions and Answers

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A tank of uniform cross-sectional area (A) containing liquid upto height (H₁) has an orifice of cross-sectional area (a) at its bottom. The time required to empty the tank completely will be

\(\frac { 2 ^{A\sqrt H_1 }} { C_d \times a \sqrt {2g} } \)

\(\frac { 2 ^{AH_1 }} { C_d \times a \sqrt {2g} } \)

\(\frac { 2 ^{AH_1^\frac{3}{2}}} { C_d \times a \sqrt {2g} } \)

\(\frac { 2 ^{AH_1^2 }} { C_d \times a \sqrt {2g} } \)

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A siphon is used to connect two reservoirs at different levels intervened by a high ridge.

True

False

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A flow in which the volume of a fluid and its density does not change during the flow is called __________ flow.

incompressible

compressible

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The loss of head due to an obstruction in a pipe is twice the loss of head at its entrance.

Agree

Disagree