27th
Aug
Hydraulic Machines MCQ

Hydraulic Machines MCQ

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  • 27th Aug, 2022
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Practice here the bes Hydraulic Machines MCQ Questions that checks your basic knowledge of Hydraulic Machines. This Hydraulic Machines MCQ Test contains 20+ Multiple Choice Questions. Kindly choose the right answer for every questions to check your final preparation for your exams. apart from this, you can also download Hydraulic Machines MCQ PDF, completely free.

Hydraulic Machines MCQ

1) Hydraulic accumulator is a device used for

  • A. Increasing the pressure intensity of a fluid
  • B.Lifting heavy weights
  • C.Storing the energy of the fluid in the form of pressure energy
  • D.None of These

2) Specific speed of a turbine depends upon

  • A. Discharge and power
  • B.Speed,power and discharge
  • C.peed, power and heat
  • D.Speed,discharge and heat

3) Pelton wheels are used for minimum of following heads -

  • A. 50
  • B.100
  • C.125
  • D.180 M or above

4) Francis turbine is best suited for

  • A. High head installation above 180 m
  • B.Low head installation up to 30 m
  • C.Medium head application from 24 to 180 m
  • D.None of these

5) Which of the following is not a rotary pump

  • A. Vane
  • B.Gear
  • C.Screw
  • D.Axial
Download Free : Hydraulic Machines MCQ PDF

6) Which of the following pumps is used for pumping viscous fluids

  • A. Centrifugal pump
  • B.Screw pump
  • C.Reciprocating pump
  • D.Jet pump

7) For small discharge and high heads which pump is preferred

  • A. Reciprocating type
  • B.Axial flow type
  • C.Radial flow type
  • D.Centrifugal type

8) What is the unit of flow rate?

  • A. kg/m
  • B.kg.m
  • C.m3/s
  • D.None of these

9) The difference in the total head of the pump is called _______

  • A. Euler head
  • B.Manometric head
  • C.Shaft head
  • D.Pressure head

10) PHE stands for_______

  • A. Pressure Hydraulic efficiency
  • B.Pump Hydraulic efficiency
  • C.Power Hydraulic efficiency
  • D.Pump hydraulic engine

11) Vertical centrifugal pumps are also called as ________

  • A. Multistage pumps
  • B.Cantilever pumps
  • C.Froth pumps
  • D.Magnetic pumps

12) The impeller is mounted on a _______

  • A. Throttle bush
  • B.Stuffing box
  • C.Shaft
  • D.Draft tube

13) SOH in a pump stands for____________

  • A. Shut off heat
  • B.Shut Off head
  • C.Shut off hybrid
  • D.Set off head

14) SOH in a pump stands for____________

  • A. Shut off heat
  • B.Shut Off head
  • C.Shut off hybrid
  • D.Set off head

15) A multistage centrifugal pump produces a pressure of __________

  • A. 150 MPa
  • B.10 Pa
  • C.21 MPa
  • D.100 MPa

16) What is the common application of multistage centrifugal pump?

  • A. Mineral industries
  • B.Boiler feed water pump
  • C.Removes ores
  • D.Detects oil

17) What is the full form of NPSH in a pump?

  • A. Net pressure suction head
  • B.Net pressure super head
  • C.Non-pressure suction head
  • D.Net positive suction head

18) If we reduce the motor rpm in an impeller, cavitation _______

  • A. Decreases
  • B.Increases
  • C.Same
  • D.Independent

19) Pump is always supported by bearings.

  • A. True
  • B.False

20) Pump is always supported by bearings.

  • A. True
  • B.False

21) What is necessary for self priming to take place?

  • A. Pump casing
  • B.Draft tube
  • C.Suspended solenoids
  • D.Turbine head

22) The fire clay contains pure -

  • A. Hydrated aluminium silicate
  • B.Lime
  • C.Oxide of iron
  • D.Magnesium

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