Give classification of air compressor.
State necessity of multistaging and Intercooling of air compressor. Answer : Necessity of multistaging - For producing high pressure i.e. more than 8 bar, single stage air compressor suffers fallowing drawbacksi) Size of cylinder is too large ii) Rise ... also automatically decreased and volumetric efficiency is also decreases. To avoid this intercooling is necessary. ...
Differentiate between : (i) Reciprocating and rotary air compressor (ii) Centrifugal and axial flow compressor Answer : (i) Reciprocating and rotary air compressor: Sr. No. Reciprocating air compressor Rotary air compressor 1 It is having to and fro motion. It is having rotary ... I.C. engine and for refrigerants and industrial gases. Used universally with large gas turbine. ...
Explain the factors affecting volumetric efficiency of reciprocating 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 free air delivered of compressor Answer : Free Air Delivered (FAD): any two points It is the actual volume of air delivered by the compressor when reduced to NTP. FAD is a flow rate of air derived from measurement at the ... outlet of a compressor, converted back to the actual inlet (free air) conditions before it was compressed....
Give the classification of Fuels. Answer : Give the classification of Fuels. ...
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