Fluid Mechanics The peripherial velocity at inlet of a centrifugal pump having inlet diameter of 25 cms and rotating at 950 rpm is __________ m/sec. 186.2 736.4 12.4 1.8 186.2 736.4 12.4 1.8 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Reciprocating pumps compared to centrifugal pumps Can be operated with delivery valve closed Can handle slurries more efficiently Deliver liquid at uniform pressure Are not subject to air binding Can be operated with delivery valve closed Can handle slurries more efficiently Deliver liquid at uniform pressure Are not subject to air binding ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Velocity at a certain point in case of streamline flow is Both A & B Neither A nor B Constant Independent of time Both A & B Neither A nor B Constant Independent of time ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition. ∂/∂t = constant ∂/∂s = constant ∂/∂s = 0 ∂/∂t = 0 ∂/∂t = constant ∂/∂s = constant ∂/∂s = 0 ∂/∂t = 0 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Transition from laminar flow to turbulent flow is aided by the Vibration Surface roughness and curvature (i.e.sharp corners) Pressure gradient and the compressibility of the flowing medium All of these Vibration Surface roughness and curvature (i.e.sharp corners) Pressure gradient and the compressibility of the flowing medium All of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Terminal velocity is None of these A fluctuating velocity A constant velocity with no acceleration Attained after moving one-half of total distance None of these A fluctuating velocity A constant velocity with no acceleration Attained after moving one-half of total distance ANSWER DOWNLOAD EXAMIANS APP
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