Fluid Mechanics Capillary rise of mercury in a small diameter tube is proportional to (where, d = diameter of the tube, σ = surface tension of mercury) 1/d D Σ L/σ 1/d D Σ L/σ ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Function of air vessel provided in a reciprocating pump is to Reduce the danger of cavitation Increase the pump efficiency Avoid the necessity of priming Reduce discharge fluctuation Reduce the danger of cavitation Increase the pump efficiency Avoid the necessity of priming Reduce discharge fluctuation ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition. ∂/∂s = 0 ∂/∂s = constant ∂/∂t = constant ∂/∂t = 0 ∂/∂s = 0 ∂/∂s = constant ∂/∂t = constant ∂/∂t = 0 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Power number is the ratio of Drag stress to inertial stress Inertial stress to drag stress Gravitational stress to drag stress Inertial stress to gravitational stress Drag stress to inertial stress Inertial stress to drag stress Gravitational stress to drag stress Inertial stress to gravitational stress ANSWER DOWNLOAD EXAMIANS APP
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. R and S P, Rand S P, Q and R P and R R and S P, Rand S P, Q and R P and R ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The equation given below is called the __________ . f-0.5 = 4.07 loge (NRe√f)-0.6 Von-Karman equation Colebrook formula None of these Fanning equation Von-Karman equation Colebrook formula None of these Fanning equation ANSWER DOWNLOAD EXAMIANS APP