1) Which of the following centrifugal pumps has higher specific speed than the others?
a. Axial flow
b. Radial flow
c. Mixed flow
d. All have same specific speed
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Answer
Explanation
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ANSWER: Axial flow
Explanation:
No explanation is available for this question!
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2) Pump transfers the mechanical energy of a motor or of an engine into _________ of a fluid.
a. pressure energy
b. kinetic energy
c. either pressure energy or kinetic energy
d. pressure energy, kinetic energy or both
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Answer
Explanation
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ANSWER: pressure energy, kinetic energy or both
Explanation:
No explanation is available for this question!
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3) Which of the following is NOT a type of positive displacement pumps?
a. Reciprocating pump
b. Rotary displacement pump
c. Centrifugal pump
d. None of the above
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Answer
Explanation
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ANSWER: Centrifugal pump
Explanation:
No explanation is available for this question!
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4) Rotary displacement pumps are suitable for handling ________.
a. oils
b. gritty liquids
c. both oils as well as gritty liquids
d. None of the above
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Answer
Explanation
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ANSWER: oils
Explanation:
No explanation is available for this question!
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5) Which of the following is/are example/s of rotary displacement pumps?
a. Gear pump
b. Vane pump
c. Rotary piston pump
d. All of the above
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Answer
Explanation
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ANSWER: All of the above
Explanation:
No explanation is available for this question!
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6) ___________ pump is also called as velocity pump.
a. Reciprocating
b. Rotary displacement
c. Centrifugal
d. Screw
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Answer
Explanation
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ANSWER: Centrifugal
Explanation:
No explanation is available for this question!
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7) Discharge capacity of the reciprocating pump is __________ that of the centrifugal pump.
a. higher than
b. lower than
c. same as
d. unpredictable
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Answer
Explanation
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ANSWER: lower than
Explanation:
No explanation is available for this question!
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8) Which pump is more suitable for an application where very high pressure is required to be developed at moderate discharge?
a. Reciprocating pump
b. Centrifugal pump
c. Turbine
d. None of the above
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Answer
Explanation
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ANSWER: Reciprocating pump
Explanation:
No explanation is available for this question!
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9) The process of filling the liquid into the suction pipe and pump casing upto the level of delivery valve is called as _________.
a. filling
b. pumping
c. priming
d. leveling
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Answer
Explanation
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ANSWER: priming
Explanation:
No explanation is available for this question!
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10) The volute pumps and vortex volute pumps are __________ pumps with _________ shaft.
a. multistage, horizontal
b. multistage, vertical
c. single stage, horizontal
d. single stage, vertical
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Answer
Explanation
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ANSWER: single stage, horizontal
Explanation:
No explanation is available for this question!
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