A. Reduce swirling and vortex formation
B. Increase the structural strength of the tank
C. Aid in rotational flow
D. None of these
Related Mcqs:
- Surge tanks are provided in high pressure water pipelines to___________________?
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 - Prandtl mixing length is___________________?
A. Applicable to laminar flow problems
B. A universal constant
C. Zero at the pipe wall
D. None of these - The Prandtl mixing length is_________________?
A. Zero at the pipe wall and is a universal constant
B. Independent of radial distance from the pipe axis
C. Independent of the shear stress
D. Useful for computing laminar flow problems - Power required for mixing Newtonian fluids is a function of the _________________?
A. Speed of impeller, diameter of impeller & viscosity
B. Density & viscosity of fluid only
C. Density of fluid, viscosity of fluid & impeller dia only
D. None of these - Function of air vessel provided in a reciprocating pump is to_________________?
A. Reduce discharge fluctuation
B. Reduce the danger of cavitation
C. Avoid the necessity of priming
D. Increase the pump efficiency - A piezometer provided in the pipe measures__________________?
A. Friction factor
B. Static pressure
C. Dynamic pressure
D. None of these - Check valve provided in the discharge line of a centrifugal pump serves the purpose of controlling the_______________?
A. Back flow of fluid in the event of stoppage of pump
B. Discharge pressure
C. Flow of liquid during operation of the pump
D. All A., B. and C. - Foot valves provided in pumps are ____________ valves?
A. Relief
B. Three/four way
C. Pressure reducing
D. Directional control - Volute type of casing is provided in a centrifugal pump to___________________?
A. Convert velocity head to pressure head
B. Convert pressure head to velocity head
C. Reduce the discharge fluctuation
D. Increase the discharge - Foot valve provided in the pump is a ______________ valve?
A. Direction control
B. Back pressure
C. Relief
D. Pressure reduction
