When crude oil is heated, then which of the following hydrocarbon is given off first______________?
		A. kerosene
B. gasoline
C. paraffin
D. diesel
E. natural gas
		A. kerosene
B. gasoline
C. paraffin
D. diesel
E. natural gas
		A. increase
B. decrease
C. remain same
D. increase upto certain limit and then decrease
E. decrease upto certain limit and then in-crease
		A. 6 to 12 volts
B. 240 volts
C. 1000 volts
D. 20,000 volts
E. 80,000 volts
		A. clearance volume
B. volumetric efficiency
C. ignition time
D. effective compression ratio
E. valve travel time.
		A. has zero cetane number
B. has 100 cetane number
C. helps detonation
D. is a straight chain paraffin
E. determines the efficiency of an I.C. engine
		A. Zero 
B. 5-10%
C. Depends on load
D. Considerable percent
		A. it is properly designed
B. best quality fuel is used
C. can not work as it is impossible
D. flywheel size is proper
E. engine cooling is stopped