Fluid Mechanics The equivalent diameter for pressure drop calculation for a duct of square cross-section is given by(where, x = each side of the square duct) 2x x x/2 πx 2x x x/2 πx ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Purpose of relief valve in a reciprocating pump is to Control the rate of discharge Reduce the discharge pressure Facilitate unidirectional flow of liquid Protect the pump against developing excessive pressure Control the rate of discharge Reduce the discharge pressure Facilitate unidirectional flow of liquid Protect the pump against developing excessive pressure ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Multistage compressors are used in industry, because they Reduce the size requirement Are easy to control Resemble closely to isothermal compression Reduce the cost of compressor Reduce the size requirement Are easy to control Resemble closely to isothermal compression Reduce the cost of compressor ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Reynolds number for flow of water at room temperature through 2 cm dia pipe at an average velocity of 5 cm/sec is around 100 1000 2000 10 100 1000 2000 10 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The peripherial velocity at inlet of a centrifugal pump having inlet diameter of 25 cms and rotating at 950 rpm is __________ m/sec. 12.4 1.8 736.4 186.2 12.4 1.8 736.4 186.2 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 Pipe length Fluid velocity in the pipe Time taken to close the valve All of these Pipe length Fluid velocity in the pipe Time taken to close the valve All of these ANSWER DOWNLOAD EXAMIANS APP