The process to remove exhaust gases by blowing in fresh air is called （）.

[单选题]（） is the removal of exhaust gases by blowing in fresh air.A . Gas exchangeB . ChargingC . ScavengingD . Supercharging

[单选题]Scavenging is （） of exhaust gases by blowing in fresh air.A . the suctionB . the compressionC . the removalD . the deliver

[单选题]E．xhaust gases are generally removed from the cylinders of a two-stroke/cycle diesel engine byA．natural aspirationB．masked intake valvesC．air ceilsD．scavenging air

[单选题]The exhaust gases for a new engine should be （） when the engine operates under full load.A . smokyB . a little bit denseC . visibleD . almost invisible

[单选题]Diesel engine exhaust temperatures may be used to indicate （）.A . leaking exhaust valvesB . an overloaded cylinderC . a clogged injector nozzleD . all of the above

[试题](b) Explain how the process of developing scenarios might help John better understand the macro-environmentalfactors influencing Airtite’s future strategy. (8 marks)

[单选题][A] access[B] assess[C] process[D] possess

[单选题]The rising of the exhaust temperature in manifold pipe may NOT result from （）.A . too great a loadingB . fouled turbochargerC . bad combustionD . excessive air

[单选题]When it is necessary to remove a victim from a life threatening situation，the person giving first aid must ().A．Pull the victim by the feetB．Avoid subjecting the victim to any unnecessary disturbanceC．Carry the victim to a location where injuries can

[单选题]It is necessary to remove （） from the cooling spaces.A . scarB . scaleC . spurD . bilge