A sudden power loss from a turbocharged and after-cooled diesel engine is an indication of a/an（）

A.inspection covers should not be opened until the engine has cooled
B.ventilation system should be continued in operation for one hour for cooling
C.scavenge pump should be immediately secured to prevent loss of lube oil
D.explosion covers should be opened slightly to provide extra ventilation

A.high flash point and high viscosity
B.low flash point and high viscosity
C.low heating value and high sulphur content
D.high heating value and low sulphur content

A.Full power cannot be developed
B.The exhaust will contain black smoke
C.Complete combustion will be impossible
D.All of the above