Compressors, Gas Turbines & Jet Engines Mcqs

Q.  Which is false statement about air receivers ___________________?

a. These are used to dampen pulsations
b. These act as reservoir to- take care of sudden demands
c. These increase compressor efficiency
d. These knock out some oil and moisture
e. These reduce frequent on/off operation of compressors


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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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MCQs:  Phenomenon of choking in compressor means __________________?
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MCQs:  Diffuser in a compressor is used to _____________________?
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MCQs:  For supplying intermittent small quantity of air at high pressure, following compressor is best suited__________________?
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MCQs:  Which is false statement about advantages of multistage compressor in comparison to single stage compressor_________________?
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MCQs:  For minimum work in multistage compression, assuming same index of compression in all stages_________________?
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MCQs:  The volumetric efficiency of a compressor falls roughly as follows for every 5°C increase in atmospheric temperature__________________?
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MCQs:  The criterion of the thermodynamic efficiency for rotary compressor is_________________?
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MCQs:  For a two stage compressor* if index of compression for higher stage is greater than index of compression for lower stage, then the optimum pressure as compared to ideal case will___________________?
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MCQs:  Losses in a centrifugal compressor are due to__________________?
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MCQs:  Pick up the wrong statement about advantages of multistage compression____________________?
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MCQs:  More than one stage will be preferred for reciprocating compressor if the delivery pressure is more than____________________?
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MCQs:  The ratio of outlet whirl velocity to blade velocity in case of centrifugal compressor is called__________________?
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MCQs:  The ratio of isentropic work to euler’s work is known as _____________________?
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