The operation of forcing additional air under pressure in the engine cylinder is known as________________?
		A. scavenging
B. turbulence
C. supercharging
D. pre-ignition
E. dissociation and carburretion of fuel
		A. scavenging
B. turbulence
C. supercharging
D. pre-ignition
E. dissociation and carburretion of fuel
		A. 1-2-3-4
B. 1-3-2-4
C. 1-4-2-3
D. 1-2-4-3
E. 1-3-4-
		A. quantity governing
B. quality governing
C. combined governing
D. partial governing
E. nit and miss governing
		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. 80°C
B. 120°C
C. 180°C
D. 240°C
E. 320°C
		A. suction port and exhaust port
B. transfer port only
C. suction port and transfer port
D. transfer port and exhaust port
E. suction port, exhaust port and transfer port
		A. same
B. less
C. more
D. more or less depending on power rating
E. unpredictable