classification of air compressor
Describe with neat sketch working of air compressor used in automobile workshops. State its two advantages Answer : As shown in ig. Shows two stages reciprocating air compressor with water cooled and intercooler First of all fresh air is sucked from atmosphere in low pressure (L.P) cylinder during its suction ... : 1) Less power is required to drive the compressor. 2) Higher volumetric efficiency ...
State the various factors affecting volumetric efficiency of air compressor Answer : Factors affecting volumetric efficiency of reciprocating air compressor: 1) Clearance Volume 2) Restricted passage and leakage at inlet valves 3) Speed of rotation 4) Piston ring leakages ... wall, it get expanded, which decreases the charge taken in therefore volumetric efficiency decreases. ...
Define (i) I.P (ii) B.P (iii)Volumetric efficiency (iv)Isothermal efficiency of air compressor Answer : i) I.P. - It is the ratio of polytrophic work into speed of compressor in revolution per second. ii) B.P. - It is the power required to drive the compressor or power delivered to ... the ratio of isothermal power to the shaft power or brake power of motor required to drive the compressor ...
(i) Draw the neat sketch of bomb calorimeter. (ii) Write any three sources of air leakage in steam condenser. Answer : (i) (ii) Sources of air leakage in condenser: i) Air leak through joints and packing. ii) Air also comes in condenser with the steam. iii) In jet condensers dissolved air in the cooling water enters the condenser. ...
Write any four application of compressed air in automobile industry. Answer : 1.Operating tools in factories 2. Operating drills and hammers in road building 3. Starting diesel engines 4. Operating brakes on buses, trucks and trains 5. Spray painting 6. Excavating 7. To clean the large workshops...
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