Problems Related To Engine Valves - Multiple Choice Questions and Answer

Problems Related To Engine Valves - Multiple Choice Questions and Answer Points : mcqs, evaluation, objective type question and answer, multiple choice questions and answer, problems related to engine valves, problems in internal combustion engines, ic, engine, auto diesel 1. Low cylinder compression cannot be caused by
a) Worn camshaft hearings
b) Blown head gasket
c) Burned valve
d) Worn piston rings

2. Valve breakage can be caused by valve stem
a) Fatigue
b) Broken valve spring
c) Weak valve spring
d) All the above

3. Valve float is problem due to
a) Weakened valve spring
b) High heat of combustion

4. Burning of valve seats can be caused by
a) Valve spring
b) Worn or damaged camshaft
c) Timing chain, gear or bell loose

5. Valve clearance specification depend upon
a) Engine temperature
b) Engine speed
c) Engine power

6. Low compression of engine can be due to
a) Insufficient valve clearance
b) Stuck valve
c) Bent stems
d) Burned valve seats
e) All the above

7. The usual cause of excessive wear of valve stem and guide is
a) Inadequate lubrication
b) Inadequate cooling