problem 1:

Illustrate out the term thermal cracking.

problem 2:

Mention the significant products of refining process.

problem 3:

Discuss any four components of the I.C engines that require lubrication.

problem 4:

Discuss the different sources of the total engine friction.

problem 5:

How are lubricating oil categorized?

problem 6:

Illustrate out the term oil contamination and sludge formation.

problem 7:

Discuss the following terms with respect to I.C engine fuels

a. Specific gravity        b. Relative density.

problem 8:

Illustrate the following with references to engine oil.

a. Flash point        b. Fire point.

problem 9:

Describe the knock phenomena in the C.I engine.

problem 10:

How is C.I engine combustion categorized?