Fluid Mechanics While starting a centrifugal pump, its delivery valve should be kept Either opened or closed ; it does not make any difference Opened Either opened or closed; depending on the fluid viscosity Closed Either opened or closed ; it does not make any difference Opened Either opened or closed; depending on the fluid viscosity Closed ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Reynolds number for water flow through a tube of I.D. 5 cm is 1500. If a liquid of 5 centipoise viscosity and 0.8 specific gravity flows in the same pipe at the same velocity, then the pressure drop will Decrease Data insufficient to predict pressure drop Remain same Increase Decrease Data insufficient to predict pressure drop Remain same Increase ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Unsteady non-uniform flow is represented by flow through a/an Expanding tube at increasing rate Expanding tube at constant rate Long pipe at decreasing rate Long pipe at constant rate Expanding tube at increasing rate Expanding tube at constant rate Long pipe at decreasing rate Long pipe at constant rate ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Steady flow occurs, when the Conditions change steadily with time Conditions are the same at the adjacent points at any instant Conditions do not change with time at any point Rate of the velocity change is constant Conditions change steadily with time Conditions are the same at the adjacent points at any instant Conditions do not change with time at any point Rate of the velocity change is constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following is not a dimension-less parameter? None of these Fanning friction factor Euler number Specific gravity None of these Fanning friction factor Euler number Specific gravity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The inherent characteristic of an equal percentage valve relating flow rate 'q' with valve stem movement 'x' are described by the equation dq/dx = K dq/dx = K/q dq/dx = Kq² dq/dx = K.q dq/dx = K dq/dx = K/q dq/dx = Kq² dq/dx = K.q ANSWER DOWNLOAD EXAMIANS APP
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