1) Write down the limitations of the simple jet carburettor.
2) What do you mean by octane number scale?
3) What is meant by supercharging? Describe how does it vary from turbo charging?
4) 4-stroke SI engine develops a torque of 910 N-m. Find out the mean effective pressure, if the displacement volume of the engine is 10 liters.
5) Describe isothermal efficiency and volumetric efficiency of the reciprocating air compressor.
6) Write down the difference between a nozzle and a diffuser.
7) Explain COP of the refrigerator and a heat pump.
8) Write down the desired properties of the good refrigerant?
9) What do you mean by degree of saturation?
10) Describe apparatus dew point and coil bypass factors.