IES Mechanical Engineering Paper Set for practice

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Compressor ,Gas Turbine and Jet engine Paper set 2
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1

 Inter cooling in compressors


2

 An ideal air compressor cycle without clearance on p-v diagram can be represented by following processes


3

An ideal air compressor cycle with clearance on p-v diagram can be represented by following processes


4

An ideal air compressor cycle with clearance on p-v diagram can be represented by following processes


5


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


6

The work done per unit mass of air in compression will’be least when n is equal to


7

 Isothermal compression though most efficient, but is not -practicable because


8

Ratio of indicated H.P. and brake H.P. is known as


9

The ratio of work doen per cycle to the swept volume in case of compressor is called


10

 Cylinder clearance in a compressor should be


11

Ratio of compression is the ratio of


12

Clearance volume in actual reciprocating compressors is essential<


13

he net work input required for compressor with increase in clearance volume


14

 Ratio of indicated h.p. to shaft h.p. in known as


15

Volumetric efficiency is


16

Volumetric efficiency of air compressors is of the order of


17

Volumetric efficiency of a compressor with clearance volume