Fluid Mechanics Net positive suction head (NPSH) of a centrifugal pump must be Greater than the vapour pressure of the liquid Equal to the vapour pressure of the liquid Less than the vapour pressure of the liquid Less than barometric pressure Greater than the vapour pressure of the liquid Equal to the vapour pressure of the liquid Less than the vapour pressure of the liquid Less than barometric pressure 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 10 100 1000 2000 10 100 1000 2000 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Water flow rate in a pipe of 3.5 metres diameter can be most economically and conveniently measured by a/an Rotameter Pitot tube Venturimeter Orificemeter Rotameter Pitot tube Venturimeter Orificemeter ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Pressure drag does not depend upon the Roughness of surface of the body Pressure of main flow only All of these Length of the body in flow direction Roughness of surface of the body Pressure of main flow only All of these Length of the body in flow direction ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Plunger pumps are used for Viscous mass Higher pressure None of these Slurries Viscous mass Higher pressure None of these Slurries ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The drag co-efficient for a bacterium moving in water at 1 mm/s, will be of the following order of magnitude (assume size of the bacterium to be 1 micron and kinematic viscosity of water to be 10⁻⁶m²/s). 24 24000 0.44 0.24 24 24000 0.44 0.24 ANSWER DOWNLOAD EXAMIANS APP
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