Fluid Mechanics The hydraulic radius for flow in a rectangular duct of cross-sectional dimension H, W is HW/4(H + W)² 2HW/(H + W)² HW/2(H + W)² √(HW/π) HW/4(H + W)² 2HW/(H + W)² HW/2(H + W)² √(HW/π) ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Purpose of relief valve in a reciprocating pump is to Protect the pump against developing excessive pressure Facilitate unidirectional flow of liquid Reduce the discharge pressure Control the rate of discharge Protect the pump against developing excessive pressure Facilitate unidirectional flow of liquid Reduce the discharge pressure Control the rate of discharge ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Pressure drag does not depend upon the Roughness of surface of the body All of these Pressure of main flow only Length of the body in flow direction Roughness of surface of the body All of these Pressure of main flow only Length of the body in flow direction ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Capillary tube method of viscosity measurement is based on the None of these Stoke's law Navier-stokes equation Hagen-Poiseulle's equation None of these Stoke's law Navier-stokes equation Hagen-Poiseulle's equation ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics If the head over the triangular notch is doubled, the discharge will increase by __________ times. 5.657 2.828 2 4 5.657 2.828 2 4 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Pressure gradient in the pipe flow is influenced by the All of these Density & viscosity of the fluid Velocity of the fluid Diameter of pipe All of these Density & viscosity of the fluid Velocity of the fluid Diameter of pipe ANSWER DOWNLOAD EXAMIANS APP