In diesel engine, the compression ratio in comparison to expansion ratio is_______________?
		A. same
B. less
C. more
D. variable
E. more/less depending on engine capacity.
		A. same
B. less
C. more
D. variable
E. more/less depending on engine capacity.
		A. exhaust valve opens at 35° before bot-tom dead center and closes at 20° after top dead center
B. exhaust valve opens at bottom ‘dead center and closes at top dead center
C. exhaust valve opens just after bottom dead center and closes just before top dead center
D. may open and close anywhere
E. none of the above is true
A. Wood
B. Peat
C. Lignite
D. All of above
		A. scavenging
B. turbulence
C. supercharging
D. pre-ignition
E. dissociation and carburretion of fuel
		A. not true
B. true at full load
C. true at part load
D. true at both part and full load
E. there could not be any such criterion
		A. ignition coil
B. ignition coil and distributor
C. ignition coil and condenser
D. ignition coil and contact breaker
E. ignition coil, contact breaker and con-denser
		A. 150°C
B. 240°C
C. 370°C
D. 450°C
E. more than 500°C.