Piston Problems - Multiple Choice Questions and Answer

Piston Problems - Multiple Choice Questions and Answer Points : piston problems, problems in internal combustion engines, ic, engine, problems in internal combustion engine, auto diesel, mcqs, evaluation, objective type question and answer, multiple choice questions and answer 1. With a gasoline engine, blue-grey smoke indicates:
a) Rich fuel mixture
b) Cool out leakage into combustion chambers
c) Oil leakage into combustion chambers
d) Lean fuel mixture.

2. Low cylinder compression cannot be caused by:
a) Worn camshaft bearings
b) Blown head gasket
c) Burned values
d) Worn piston rings

3. Two rapid knocks and then a short pause is a symptom of:
a) Piston knock
b) Piston pin knock

4. Why is piston slap loudest with the engine cold:
a) Excessive piston to cylinder clearance
b) Heat expansion of the piston taking up clearance

5. Overheating, missing, coolant leakage, engine smoke are symptoms of:
a) Blown heat gasket
b) Burned piston crown
c) Piton pin loose in the cylinder

6. To check for the ring and cylinder problems the engine speed should be:
a) Decreased
b) Increased

7. If blue-grey smoke pours out of the car’s exhaust under load the service is need to:
a) Oil rings
b) Cylinders
c) Oil rings and cylinders