Hydraulic Pumps MCQ’s

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This set of Mechatronics Multiple Choice Questions & Answers (MCQs) focuses on “Hydraulic Pumps”.

1. Which among the following pumps have a definite amount of discharge?
a) Positive displacement pumps
b) Non-positive displacement pumps
c) Self-priming pumps
d) Jet pumps

2. The non-positive displacement pumps do not have a constant discharge.
a) True
b) False

3. Which type of mechanical device is used to give energy to the liquid?
a) Fluid power system
b) Hydraulic system
c) Pneumatic system
d) Hydraulic Pumps

4. Which type of pumps can give discharge even at high pressure?
a) Multistage Pumps
b) Monoblock pumps
c) Rotary pumps
d) Single stage pumps

5. The pressure relief valve is an important component which is required for every positive displacement pump.
a) True
b) False

6. What is the property of a screw pump?
a) Discharge is continuous, smooth and non-pulsating
b) Very less vibration and noise
c) Has two or more rotating components
d) Consists of a left handed and a right handed screw

7. Which type of component in a hydraulic system supports less vibration and noise?
a) Flow control valve
b) Oil reservoir
c) Rotatory pumps
d) Pressure gauge

8. Which type of pump consists of two spur or helical gears?
a) External gear pumps
b) Internal gear pumps
c) Rotary pumps
d) Vane pumps

9. What prevents the leakage of oil inside an unbalanced vane pump?
a) Vanes
b) Cylindrical rotor
c) Screw
d) Difference between pressure of inlet and outlet

10. Which among the following are not the main selection criteria for selection of hydraulic pumps?
a) Discharge
b) Pressure
c) Speed
d) Weight

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