Turbo Machines Test Questions

Q.  The function of _________ is to convert high kinetic energy of gases into pressure energy.

a. impeller
b. diffuser
c. casing
d. None of the above


ANSWER: See Answer
 
No explanation is available for this question!
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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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MCQs:  Which of the following is not an unfired pressure vessel?
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MCQs:  In unfired pressure vessels, category A consists of _________
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MCQs:  Which of the following is not expressed by primary design equation?
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MCQs:  What does Ψ mean in Lagrange's equation (LE = U + λΨ)?
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