Fluid Mechanics Liquid delivery by centrifugal pump starts, only when the head developed by it is equal to the __________ head. Manometric Static Friction Total Manometric Static Friction Total ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The __________ is measured by a piezometric opening. Dynamic pressure Point velocity Static pressure Total pressure Dynamic pressure Point velocity Static pressure Total pressure ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics If the head over the triangular notch is doubled, the discharge will increase by __________ times. 2.828 2 5.657 4 2.828 2 5.657 4 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Net positive suction head (NPSH) of a centrifugal pump must be Less than barometric pressure Less than the vapour pressure of the liquid Equal to the vapour pressure of the liquid Greater than the vapour pressure of the liquid Less than barometric pressure Less than the vapour pressure of the liquid Equal to the vapour pressure of the liquid Greater than the vapour pressure of the liquid ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The head loss in turbulent flow in a pipe varies Inversely as the velocity As velocity Inversely as the square of diameter As (velocity)² Inversely as the velocity As velocity Inversely as the square of diameter As (velocity)² 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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