Answer the following problems in detail.

problem 1) describe the high calorific value of fuel.

problem 2) Sketch with neat and well labelled sketch Pressure-Time Diagram of combustion for CI Engine

problem 3) What do you mean by PCV for emission control?

problem 4) prepare down the causes of knock in S.I. engines?

problem 5) What do you mean by centane number?

problem 6) prepare the short notes on following:

(a) Fuel cell vehicles.

(b) High energy batteries.

problem 7) What do you mean by bio gas?

problem 8) How hydrogen energy be used for air and surface transport.

problem 9) What do you mean by photo electrolysis?

problem 10) Sketch the layout of any fuel cell power vehicle.

problem 11) What are the different advantages of liquid fuels and gaseous fuels over solid fuels?

problem 12) Mention the merit and demerits of various alternate fuels.

problem 13) Describe with the help of neat diagram combustion characteristics of CI Engines.

problem 14) Describe with the help of neat and well labelled diagram of Orsat Apparatus.

problem 15) How the temperature of cylinder gases and flame speed are affected by A/F ratio in CI engine.

problem 16) describe how proper design of combustion chamber helps to reduce exhaust emissions.

problem 17) describe the phenomenon of detonation or knocking in C.I. engines. How can it be controlled?