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81
Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition.
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Answer: Option B
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82
Uniform fluid flow occurs, when the derivative of the flow variables satisfy the following condition.
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Answer: Option C
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83
In frictional fluid flow, the quantity, $$\frac{{\text{P}}}{\rho } + \frac{{{{\text{V}}^2}}}{{2{\text{gc}}}} + \frac{{{\text{gz}}}}{{{\text{gc}}}},$$    is
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Answer: Option B
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84
Rotary vacuum pumps can reduce the absolute pressure to as low as __________ mm Hg.
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Answer: Option C
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85
Water hammer is caused, when water flowing in a pipe is suddenly brought to rest by closing the valve. The extent of pressure thus produced due to water hammer depends on the
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Answer: Option D
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86
As per Newton's law of viscosity, the shear stress for a given rate of angular deformation of fluid is proportional to (where, $$\mu $$ = fluid viscosity)
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Answer: Option B
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87
Toothpaste is a
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Answer: Option D
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88
Schedule number of a pipe, which is a measure of its wall thickness, is given by
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Answer: Option A
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89
Path followed by water jet issuing from the bottom of a water tank will be a
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Answer: Option A
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90
Turbine impeller
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Answer: Option C
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