- (A) Incomplete priming
- (B) Too high a suction lift
- (C) Low available NPSH and air leaks in the suction pipe
- (D) All
Chemical Engineering Mcqs
- (A) Weir
- (B) Hot wire anemometer
- (C) Cup and vane anemometer
- (D) None of these
- (A) Pressure
- (B) Height of descend
- (C) Viscosity
- (D) Surface tension
- (A) Increase the mass flow rate of fluid
- (B) Develop effective pressure rise by the pump
- (C) Avoid chances of separation inside the impeller
- (D) None of these
- (A) The ratio of average velocity to the maximum velocity for turbulent flow of Newtonian fluid in circular pipes is 0.5
- (B) The Newtonian fluid velocity in a circular pipe flow is maximum at the centre of the pipe
- (C) Navier-Stokes equation is applicable to the analysis of viscous flows
- (D) Hagen-Poiseuille equation is applicable to the laminar flow of Newtonian fluids
- (A) 0.5
- (B) 1
- (C) 2
- (D) 0.33
- (A) Pressure drop only
- (B) Its orientation
- (C) Co-efficient of contraction only
- (D) None of these
- (A) (V12 – V22)/2gc
- (B) (V1 – V2)2/2gc
- (C) (V1 – V2)/2gc
- (D) (V12 – V22)/gc
- (A) Head & discharge
- (B) Length & discharge
- (C) Length & diameter
- (D) Friction factor & diameter
- (A) FL-2T, ML-1T-1
- (B) FLT, ML-1T-1
- (C) ML-1T-3, F-1L2T
- (D) F-1L2T-1, MLT-3
