Turbo Machines Test Questions

Q.  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


ANSWER: See Answer
 
No explanation is available for this question!
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MCQs:  Discharge capacity of the reciprocating pump is __________ that of the centrifugal pump.
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MCQs:  Which pump is more suitable for an application where very high pressure is required to be developed at moderate discharge?
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MCQs:  The process of filling the liquid into the suction pipe and pump casing upto the level of delivery valve is called as _________.
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MCQs:  Which of the following centrifugal pumps has higher specific speed than the others?
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MCQs:  Angular momentum of gas in the free vortex of vaneless diffuser ___________.
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MCQs:  Vaneless diffusers are suitable for ___________.
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MCQs:  The diffuser blades are kept ______ the number of impeller blades .
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MCQs:  The ratio of actual whirl velocity to the ideal whirl velocity in the centrifugal compressor is called as _________.
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MCQs:  What is the ratio of isentropic work to Euler work in an centrifugal compressor called?
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MCQs:  ___________ can be defined as the ratio of the pressure rise in rotor blades to the pressure rise in stages in an axial flow compressor.
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MCQs:  What is the ratio of the actual work absorbed by an axial flow compressor to the theoretical work called?
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MCQs:  What is the effect of increasing flow coefficient (Φ) in an axial flow compressor on blade loading coefficient (Ψ)?
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MCQs:  Which equation is used to calculate thickness of an alloy steel cylinder with open ends?
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MCQs:  Why is autofrettage process used in pressure vessels?
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MCQs:  Due to which effect, compressive residual stress of strain-hardening model is smaller than elastic-perfectly plastic model?
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MCQs:  Claviro's equation is applicable to cylinders with _______
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MCQs:  Which equation is used to determine wall thickness for brittle materials?
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MCQs:  What is the weld joint efficiency if pressure vessel is fabricated with single full fillet lap joint?
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