Fluid Mechanics Liquid delivery by centrifugal pump starts, only when the head developed by it is equal to the __________ head. Manometric Total Friction Static Manometric Total Friction Static ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Net positive suction head (NPSH) of a centrifugal pump must be Equal to the vapour pressure of the liquid Less than barometric pressure Less than the vapour pressure of the liquid Greater than the vapour pressure of the liquid Equal to the vapour pressure of the liquid Less than barometric pressure Less than the vapour pressure of the liquid Greater than the vapour pressure of the liquid ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The ratio of hydrodynamic boundary layer to thermal boundary layer thickness in case of liquid metals is < 1 1 2 > 1 < 1 1 2 > 1 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following is the most common pump for pumping either raw sewage or sludge? Gear pump Reciprocating pump Electromagnetic pump Centrifugal pump Gear pump Reciprocating pump Electromagnetic pump Centrifugal pump ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The normal stress is the same in all directions at a point in a fluid, when the fluid is Having no motion of one fluid layer relative to the other Incompressible Both A and B Non-viscous Having no motion of one fluid layer relative to the other Incompressible Both A and B Non-viscous 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). 24000 0.44 24 0.24 24000 0.44 24 0.24 ANSWER DOWNLOAD EXAMIANS APP