Turbo Machines Test Questions

Q.  Generally, the value of specific speed of Kaplan turbine is _____________ that of the Pelton turbine.

a. lower than
b. higher than
c. same as
d. unpredictable


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  Gross head is the difference between __________.
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MCQs:  What is runaway speed of the runner of Pelton wheel?
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MCQs:  The gates of aerofoil section in between the outer and inner ring of guide wheel are called as ________.
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MCQs:  Which of the following components of reaction turbine increases the head on the turbine by an amount equal to the height of runner outlet above the tail race?
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MCQs:  As the reaction turbine works on the principle of impulse and reaction, it follows the law of ________.
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MCQs:  In which type of turbine, the runner needs to be run full of water?
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MCQs:  In reaction turbine work is done_______________.
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MCQs:  Which of the following sentences are correct for steam turbine? 1. Steam turbine requires large floor area 2. Steam turbine is a rotary high speed machine 3. Steam turbine has low weight to power ratio 4. Steam turbine has more initial cost and maintenance cost
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MCQs:  The blade speed ratio of impulse turbine is given as ___________
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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:  The volute pumps and vortex volute pumps are __________ pumps with _________ shaft.
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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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