Draw actual valve timing diagram for 4-stroke petrol engine.
4
Draw a neat sketch of vane compressor and label the different parts...........
Write uses of compressed air.
Uses of compressed air:- 1. Cleaning automobiles 2. Pneumatic tools 3. Supercharging in I.C. engines 4. Cooling of large building 5. Construction of bridges, roads etc. 6. Spraying points 7. Spraying fuel in high speed diesel engine 8. Starting of I.C. engines
Define : i) Compression ratio...
Write the equations for air standard efficiency of otto cycle.......
Explain any one method to improve thermal efficiency of gas............
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Compare between window air conditioner.............
Represent Carnot cycle on P-V and T-S diagram
Why majority of air compressors available in the market are multi...........
Multi-stage air compressors feature many benefits and so, they are mostly used in the market. Some of those features are given below 1. Higher air pressures are achievable by multi-staging (about 175 PSI against 120 PSI in single stage) 2. It requires less power for running 3. Light weight cylinders can are used 4. Leakages are less 5. Overall discharge temperatures are lower 6. Intercooler increases the efficiency of unit 7. It has a greater durability 8. Many multi-stage air compressors have the crankcase cast separate from the pump cylinders, which makes it easier to repair. 9.
State the following term...
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