- (A) increase
- (B) decrease
- (C) remain same
- (D) unpredictable
- (E) depend on other factors
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- (A) net efficiency
- (B) efficiency ratio
- (C) relative efficiency
- (D) overall efficiency
- (E) cycle efficiency
- (A) spark
- (B) injected fuel
- (C) heat resulting from compressing air that is supplied for combustion
- (D) ignition
- (E) combustion chamber
- (A) same
- (B) less
- (C) more
- (D) more or less depending on power rating
- (E) unpredictable
- (A) yes
- (B) no
- (C) to some extent
- (D) unpredictable
- (E) depends on other factors
- (A) air used for combustion sent under pres-sure
- (B) forced air for cooling cylinder
- (C) burnt air containing products of combustion
- (D) air used for forcing burnt gases out of engine’s cylinder during the exhaust period
- (E) air fuel mixture
- (A) 1/2
- (B) 1
- (C) 2
- (D) 4
- (E) 8
- (A) instantaneous and rapid burning of the first part of the charge
- (B) instantaneous atuo iginition of last part of charge
- (C) delayed burning of the first part of the charge
- (D) reduction of delay period
- (E) all ot the above
- (A) feeding more fuel
- (B) increasing flywheel size
- (C) heating incoming air
- (D) scavenging
- (E) supercharging
- (A) 2-stroke petrol engine
- (B) 4-stroke petrol engine
- (C) diesel engine
- (D) gas turbine
- (E) steam turbine

