Fluid Mechanics Which of the following is the most common pump for pumping either raw sewage or sludge? Centrifugal pump Gear pump Electromagnetic pump Reciprocating pump Centrifugal pump Gear pump Electromagnetic pump Reciprocating pump ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics What is the ratio of displacement thickness to nominal thickness for a linear distribution of velocity in the boundary layer on a flat plate? 1 0.5 1.5 2 1 0.5 1.5 2 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In case of turbulent flow of a Newtonion fluid in a straight pipe, the maximum velocity is equal to (where, Vavg = average fluid velocity) Vavg 1.8 Vavg 1.5 Vavg 1.2 Vavg Vavg 1.8 Vavg 1.5 Vavg 1.2 Vavg ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Power number is the ratio of Inertial stress to gravitational stress Drag stress to inertial stress Gravitational stress to drag stress Inertial stress to drag stress Inertial stress to gravitational stress Drag stress to inertial stress Gravitational stress to drag stress Inertial stress to drag stress 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 All of these Fluid velocity in the pipe Pipe length Time taken to close the valve All of these Fluid velocity in the pipe Pipe length Time taken to close the valve ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics As the velocity V and thus the Reynolds number of a flow past a sphere increases from very low value, the drag force for Re << 1 Increases linearly with V Decreases linearly with V Decreases as V² None of these Increases linearly with V Decreases linearly with V Decreases as V² None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS