Mechanical Engineering Questions And Answers :: Compressors: part4



Mechanical Engineering : Compressors QUESTIONS AND ANSWERS :: part4 : 1 to 5

Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2014 and IES 2014 examinations :

1.The fuel consumption in gas turbines is accounted for by

low.er heating value
higher heating value
heating value
higher calorific value
highest calorific value.

2.Gas turbines for power generation are normally used

to supply base load requirements
to supply peak load requirements
to enable start thermal power plant
in emergency
when other sources of power fail.

3.Mechanical efficiency of gas turbines as compared to I.C engines is

higher
lower
same
depends on osier considerations
unpredictable.

4.Axial flow compressor has the following advantage over centrifugal compressor

larger air handling ability per unit frontal area
higher pressure ratio per stage
aerofoil blades are used
higher average velocities
none of the above.

5.The volumetric efficiency of compressor with increase in compression ratio will

increase
decrease
remain same
may increase/decrease depending on clearance volume
none of the above.

More Compressors QUESTIONS AND ANSWERS available in next pages

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