Hydraulic Machines MCQs Quiz Multiple Choice Questions & Answers

Hydraulic Machines MCQs questions answers


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MCQ quiz on Hydraulic Machines multiple choice questions and answers on Hydraulic Machines MCQ questions on Hydraulic Machines objectives questions with answer test pdf for interview preparations, freshers jobs and competitive exams.

Hydraulic Machines Questions with Answers

1. Maximum impulse will be developed in hydraulic ram when

2. A hydraulic accumulator normally consists of

3. A hydraulic intensifier normally consists of

4. In reaction turbine, draft tube is used

5. The efficiency of a centrifugal pump is maximum when its blades are

6. In centrifugal pumps, maximum efficiency is obtained when the blades are

7. Motion of a liquid in a volute casing of a centrifugal pump is an example of

8. Air vessels in reciprocating pump are used to

9. If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water would discharge

10. The horse power required in above case will be

11. In a reciprocating pump, air vessels are used to

12. In a centrifugal pump casing, the flow of water leaving the impeller, is

13. Pressure intensifier increases the pressure in proportion to

14. In axial flow fans and turbines, fluid enters and leaves as follows

15. In a centrifugal pump casing, the flow of water leaving the

16. Low specific speed of turbine implies it is

17. Medium specific speea of turbine implies it is

18. High specific speed of turbine implies it is

19. The specific speed of turbine is defined as the speed of a unit

20. Any change in load is adjusted by adjusting following parameter on turbine

21. Francis turbine is best suited for

22. An impulse turbine is used for

23. Reaction turbines are used for

24. Guide angle as per the aerofoil theory of Kaplan turbine blade design is defined as the angle between

25. A turbine is a device which converts

26. Centrifugal pump is started with its delivery valve

27. Axial flow pump is started with its delivery valve

28. A centrifugal pump is superior to a reciprocating pump because

29. Which place in hydraulic turbine is most susceptible for cavitation

30. The flow rate in gear pump

31. The discharge through a reaction turbine with increase in unit speed

32. Francis, Kaplan and propeller turbines fall under the category of

33. Head developed by a centrifugal pump depends on

34. When a piping system is made up primarily of vertical lift and very little pipe friction, the pump characteristics should be

35. When a piping system is made up primarily of friction head and very little of vertical lift, then pump characteristics should be

36. Reciprocating pumps are no more to be seen in industrial applications (in comparison to centrifugal pumps) because of

37. Multistage centrifugal pumps are used to obtain

38. The angle of taper on draft tube is

39. Multi stage centrifugal pumps are used to

40. Runaway speed of a hydraulic turbine is

41. Casting of a centrifugal pump is designed so as to minimize

42. A draft tube is not required for a

43. Indicator diagram of a reciprocating pump is a graph between

44. Overall efficiency of a centrifugal pump is the ratio of

45. Puck up the wrong statement about centrifugal pump

46. According to fan laws, at constant speed and capacity, the pressure and power vary

47. According to fan laws, at constant pressure, the speed capacity and power vary

48. According to fan laws, at constant weight of air or gas, the speed, capacity and pressure vary

49. According to fan laws, for fans having constant wheel diameter, the air or gas capacity varies

50. According to fan laws, for fans having constant wheel diameter, the pressure varies

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