輪機英語章節(jié)練習(2019.06.02)

A.injection pump plungers stuck or worn
B.low compression
C.solenoid stuck open
D.fuel tank too full

A.lubricating oil
B.dry sump
C.circulated tank
D.wet sump

A.are interdependent
B.are not interdependent
C.have nothing to do with each other
D.are independent

A.Impeller
B.Compressor
C.After-cooler
D.Exhaust differ

A.fluctuates with the engine speed to some extent, independent of the engine speed
B.keeps constant at all engine speed, dependent on the engine speed to some extent
C.keeps constant at all engine speed, independent of the engine speed
D.is decided by the engine speed, constant at all engine speed

A.casting interlocking components
B.welding plates to form sections for assembly
C.forging integral components
D.case hardening integral components

A.during the valve overlap period
B.with only the exhaust valve open
C.at a pressure below atmospheric
D.without cooling the cylinders or pistons

A.communicate
B.verify
C.audit
D.evaluate

A.monitoring signal
B.inverse signal
C.reverse signal
D.feedback signal

A.overloading the engine
B.low exhaust valve lift
C.excessive cylinder cooling
D.insufficient mechanical clearance