Fluid Mechanics The equivalent diameter for flow through a rectangular duct of width B and height H is 2HB/(H + B) HB/(H + B) 4HB/(H + B) HB/2(H + B) 2HB/(H + B) HB/(H + B) 4HB/(H + B) HB/2(H + B) ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The continuity equation Relates work and energy Stipulates that Newton's second law of motion must be satisfied at every point in the fluid None of these Relates mass flow rate along a stream tube Relates work and energy Stipulates that Newton's second law of motion must be satisfied at every point in the fluid None of these Relates mass flow rate along a stream tube ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following must be followed by the flow of a fluid (real or ideal)? (I) Newton's law of viscosity. (II) Newton's second law of motion. (III) The continuity equation. (IV) Velocity of boundary layer must be zero relative to boundary. (V) Fluid cannot penetrate a boundary. I, II, III II, IV, V II, III, V I, II, V I, II, III II, IV, V II, III, V I, II, V ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Volute type of casing is provided in a centrifugal pump to Reduce the discharge fluctuation Convert pressure head to velocity head Increase the discharge Convert velocity head to pressure head Reduce the discharge fluctuation Convert pressure head to velocity head Increase the discharge Convert velocity head to pressure head ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics 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 Fluid velocity in the pipe All of these Time taken to close the valve Pipe length Fluid velocity in the pipe All of these Time taken to close the valve Pipe length ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Choose the set of pressure intensities that are equivalent. 10 psi, 19.7 ft. of water, 23.3 inches of Hg 10 psi, 19.7 ft. of water, 5.3 inches of Hg 4.33 psi, 10 ft. of water, 20.7 inches of Hg 4.33 psi, 10 ft. of water, 8.83 inches of Hg 10 psi, 19.7 ft. of water, 23.3 inches of Hg 10 psi, 19.7 ft. of water, 5.3 inches of Hg 4.33 psi, 10 ft. of water, 20.7 inches of Hg 4.33 psi, 10 ft. of water, 8.83 inches of Hg ANSWER DOWNLOAD EXAMIANS APP
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