Compressors, Gas Turbines & Jet Engines Mcqs

Q.  Volumetric efficiency of air compressors is of the order of________________?

a. 20-30%
b. 40-50%
c. 60-70%
d. 70-90%
e. 90-100%


ANSWER: See Answer
 
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MCQs:  An air compressor may be controlled by____________________?
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MCQs:  During peak load periods, the best method of controlling compressors is___________________?
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MCQs:  The compressor performance at higher altitude compared to sea level will be _______________?
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MCQs:  A centrifugal compressor works on the principle of__________________?
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MCQs:  A compressor at high altitude will draw________________?
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MCQs:  The thrust on the rotor in a centrifugal compressor is produced by________________?
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MCQs:  The area of actual indicator diagram on an air compressor as compared to area of ideal indicator diagram is_____________________?
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MCQs:  To aviod moisture troubles, the compressed air main line should __________________?
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MCQs:  To avoid moisture troubles, the branch connections from compressed air lines should be taken from_________________?
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MCQs:  For a compressor, least work will be done if the compression is________________ ?
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MCQs:  The compressor efficiecny is the__________________?
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MCQs:  For slow-speed large capacity compressor, following type of valve will be best suited________________?
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MCQs:  The volumetirc efficiency of a compressor is calculated on the basis of __________________?
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MCQs:  During base load operation, the best method of controlling compressor is ___________________?
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MCQs:  The volumetric efficiency of a compressor falls roughly as follows for every 100 m increase in elevation___________________?
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MCQs:  In a compressor, free air delivered is the actual volume delivered at the stated pressure reduced to ____________________?
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MCQs:  The advantage of multistage compression over single stage compression is ________________?
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MCQs:  As the value of index ‘«’ is decreased, the volumetric efficiency will___________________?
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MCQs:  The indicated work per unit mass of air delivered is___________________?
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MCQs:  The ratio of isentropic work to Euler work is known as_____________________?
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