Q4. With reference to a small diesel engine that requires the use of a starting handle:
(a) State the procedure for starting (8)
(b) State EIGHT reasons that would cause difficulty in starting (8)
Q2. (a) State TWO differences between a trunk type and a crosshead type diesel engine. (4)
(b) Describe, with the aid of sketches, the combustion process of the two-stroke compression ignition engine. (12)
Q4. With reference to inlet and exhaust valve on a four-stroke diesel engine:
(a) Explain why the correct tappet clearance are essential (8)
(b) State the results of the tappet clearances being
(i) Too big (4)
(ii) Too small (4)
Q2. Describe, with the aid of sketches, the operation of a 4 -stroke cycle diesel engine. (16)
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