Mechanical Engineering Questions And Answers :: Compressors: part1



Mechanical Engineering : Compressors QUESTIONS AND ANSWERS :: part1 : 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 :

1.1 m of air at atmospheric condition weighs approximately

0.5 kg
1.0 kg
1.3 kg
2.2 kg
3.2 kg.

2.What will be the volume of air at 327�C if its volume at 27�C is 1.5 m3/mt

3 m3/mt .
1.5 m3/mt
18 m3/mt'
6 m3/mt
0.75 m3/mt.

3.Aeroplanes employ following type of compressor

radial flow
axial flow
centrifugal
combination of above
none of the above.

4.Clearance volume in actual reciprocating compressors is essential

to accommodate Valves in the cylinder head
to provide cushioning effect
to attain high volumetric efficiency
to avoid mechanical bang of piston with cylinder head
to provide cushioning effect and also to avoid mechanical bang of piston with cylinder head.

5.Standard air is the air at

atmospheric conditions at any specific location
20�C and 1 kg/cm2 and relative humidity 36%
0�C and standard atmospheric conditions
15�C and 1 kg/cm2
25�C, 1 kg/cm2 and RH of 60%.

More Compressors QUESTIONS AND ANSWERS available in next pages

    Health is the greatest gift, contentment is the greatest wealth -Buddha