Home

The ratio of quantity of liquid discharged per second from the pump to the quantity of liquid passing per second through the impeller is known as

A. Manometric efficiency

B. Mechanical efficiency

C. Overall efficiency

D. Volumetric efficiency

Correct Answer : D.


Download Objective type questions of Hydraulics & Fluid Machineries PDF

Visit our PDF store

Get all objective type questions of Hydraulics & Fluid Machineries MCQ

Also checkout these categories

Fact MCQ Permutation MCQ Cause & Effect MCQ Noble Gases MCQ Synonyms MCQ Skin Anatomy and Physiology MCQ Chemical Kinetics MCQ Odd Man Out MCQ Time and Distance MCQ Hydrocarbons MCQ Botany and Human Welfare MCQ Ratio and Proportion MCQ

Please do not use chat terms. Example: avoid using "grt" instead of "great".

Submit
Load More..
You can do it
  1. Discharge of a centrifugal pump is (where N = Speed of the pump impeller)
  2. The maximum efficiency of jet propulsion of a ship with inlet orifices at right angles to the direction…
  3. The working of which of the following hydraulic units is based on Pascal's law?
  4. The hydraulic efficiency of an impulse turbine is the
  5. The static head of a centrifugal pump is equal to the ________ of suction head and delivery head.
  6. Centrifugal pump is started with its delivery valve
  7. Which type of the pump is different from others in the same group?
  8. High specific speed of turbine implies it is
  9. In a reaction turbine, the draft tube is used
  10. In a centrifugal pump, the liquid enters the pump
  11. The discharge of a double acting reciprocating pump is (where L = Length of stroke, A = Cross-sectional…
  12. Head developed by a centrifugal pump is
  13. The force exerted by a jet of water impinging normally on a plate which due to the impact of jet, moves…
  14. Slip of a reciprocating pump is defined as the
  15. The specific speed (Ns) of a centrifugal pump is given by
  16. The ratio of actual work available at the turbine to the energy imparted to the wheel is known as ________…
  17. Multistage centrifugal pumps are used to
  18. The specific speed of turbine is defined as the speed of a unit
  19. In a Francis turbine runner, the numbers of blades are generally between
  20. The water in a jet propelled boat is drawn through the openings facing the direction of motion of the…
  21. Which place in hydraulic turbine is most susceptible for cavitations?
  22. The width of the bucket for a Pelton wheel is generally ________ the diameter of jet.
  23. The function of guide vanes in a reaction turbine is to
  24. In reaction turbine, draft tube is used
  25. Slip of a reciprocating pump is negative, when
  26. If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring…
  27. The cavitation in reaction turbines is avoided, to a great extent by
  28. The unit speed of the turbine runner is
  29. The Fourneyron turbine is _________ reaction turbine.
  30. According to fan laws, at constant weight of air or gas, the speed, capacity and pressure vary