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Mechanical Engineering Mcqs — Test 3

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Question 1
As the value of index ‘«’ is decreased, the volumetric efficiency will___________________?
Question 2
The indicated work per unit mass of air delivered is___________________?
Question 3
The ratio of isentropic work to Euler work is known as_____________________?
Question 4
Phenomenon of choking in compressor means __________________?
Question 5
Diffuser in a compressor is used to _____________________?
Question 6
For supplying intermittent small quantity of air at high pressure, following compressor is best suited__________________?
Question 7
Which is false statement about advantages of multistage compressor in comparison to single stage compressor_________________?
Question 8
For minimum work in multistage compression, assuming same index of compression in all stages_________________?
Question 9
The volumetric efficiency of a compressor falls roughly as follows for every 5°C increase in atmospheric temperature__________________?
Question 10
The criterion of the thermodynamic efficiency for rotary compressor is_________________?