Fluid Mechanics The variable required to be known in correlations used for estimating the horse power of a centrifugal gas compressor and hence its cost are P. Inlet pressure Q. Compressor rpm R. Delivery pressure S. Volumetric flow rate at inlet. P, Rand S P, Q and R R and S P and R P, Rand S P, Q and R R and S P and R ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The head loss in turbulent flow in a pipe varies Inversely as the square of diameter Inversely as the velocity As (velocity)² As velocity Inversely as the square of diameter Inversely as the velocity As (velocity)² As velocity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For water, when the pressure increases, the viscosity Also increases First decreases, and then increases Decreases Remains constant Also increases First decreases, and then increases Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Prandtl mixing length is Zero at the pipe wall A universal constant None of these Applicable to laminar flow problems Zero at the pipe wall A universal constant None of these Applicable to laminar flow problems ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Consider a centrifugal pump having a specific impeller diameter, fixed impeller speed pumping a liquid of constant density at a particular discharge capacity. With decrease in the capacity of the pump, the __________ decreases. Head of the liquid pumped BHP required by the pump All of these NPSH required Head of the liquid pumped BHP required by the pump All of these NPSH required ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics With increase in molecular weight of the gas, the head developed by a centrifugal compressor will Remain same Increase Unpredictable Decrease Remain same Increase Unpredictable Decrease ANSWER DOWNLOAD EXAMIANS APP
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