單項(xiàng)選擇題

Exhaust pyrometer readings provide an indication of the （）

A.effectiveness of water-cooled exhaust elbows
B.distribution of the load between engine cylinders
C.amount of fuel penetration into the engine cylinders
D.indicated horsepower of the engine cylinders

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單項(xiàng)選擇題

Fuel oil discharged to the diesel engine cylinder is atomized at the （）

A.turbocharger
B.injection nozzle tip
C.carburetor
D.fuel oil pump

單項(xiàng)選擇題

Cavitation erosion in the cooling water system of a diesel engine usually occurs at the pump impeller, and on the waterside of the （）

A.fuel nozzle holders
B.exhaust value guides
C.engine cylinder liners
D.low temperature and a low viscosity