Category: Fluid Mechanics for Chemical

A. Vs/Dp2
B. Vs2/Dp2
C. Vs2/Dp3
D. Vs/Dp3

A. Store a definite quantity of water all the time
B. Reduce the water hammer
C. Facilitate easy dismantling of pipeline for cleaning and maintenance
D. None of these

A. Bursting of pipelines due to closure by a valve
B. Rapid pressure change due to a rapid change in the rate of flow
C. Pressure increase due to closure of a valve resulting in decrease in rate of flow
D. None of these

A. Gate valve
B. Globe valve
C. Butterfly valve
D. Check valve

A. Fanning equation
B. Kozeny – Karman equation
C. Hagen-Poiseuille equation
D. Blake-Plummer equation

A. ML-2
B. MT-2
C. MLT-2
D. ML-2T

A. Powder & granular solids
B. Liquids
C. Low melting point semi-solids
D. All A, B & C

A. Fluid particles move in an orderly manner
B. Momentum transfer is on molecular scale only
C. Shear stress is caused more effectively by cohesion than momentum transfer
D. Shear stresses are generally larger than in a similar laminar flow

A. Its capacity varies directly as the square of speed
B. Head varies as the square of speed
C. Horsepower input varies as the square of speed
D. Head varies as the speed

A. Size
B. Roughness
C. Material density
D. Wall thickness