
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 2024 and IES 2024 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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