The specific fuel consumption of a petrol engine compared to diesel engine of same H.P. is_______________?
		A. same
B. more
C. less
D. less or more depending on operating conditions
E. unpredictable
		A. same
B. more
C. less
D. less or more depending on operating conditions
E. unpredictable
		A. compression ring
B. oil ring
C. scrapper ring
D. groove ring
E. leading ring
		A. distribute charge, equally to all the cylinders
B. regulate power
C. feed lub oil to all moving parts
D. time the spark
E. inject fuel at appropriate time
		A. decrease
B. increase
C. remain unalfected
D. depend on other factors
E. none of the above
		A. increase the knocking tendency
B. decrease the knocking tendency
C. not affect the knocking tendncy
D. increase or decrease knocking tendency depending on strenght and time of spark
E. unpredictable
		A. same
B. less
C. more
D. variable
E. more/less depending on engine capacity.
		A. 30 – 65°C
B. 65 – 220°C
C. 220 – 350°C
D. 350 – 450°C
E. 450-550°C