Category: I.C. Engines

A. Decreases
B. Increases
C. Remains same
D. Decreases upto a limit and then increases

A. Half
B. One
C. Two
D. Four

A. increase the knocking tendency
B. decrease the knocking tendency
C. not affect the knocking tendency
D. increase or decrease knocking tendency depending on strength and time of spark
E. unpredictable

A. reduce weight
B. conduct heat efficiently
C. reduce possibility of scoring
D. reduce friction
E. increase lubrication effect

A. air aione
B. air and fuel
C. air and lub oil
D. fuel alone
E. air, fuel and lub oil

A. high temperature
B. high density
C. short delay
D. reactive mixture
E. all of the above

A. 150°C
B. 240°C
C. 370°C
D. 450°C
E. more than 500°C.

A. increase
B. decrease
C. remain unaffected
D. depend on other factors
E. none of the above

A. lean mixture has high reaction time
B. rich mixture has high reaction time
C. chemically correct mixture has mini-mum reaction time
D. all of the above
E. non of the above

A. liquid fuel only
B. liquid fuel and air
C. solid fuel
D. solid fuel and air
E. does not exist