During working, when the piston is near the （）, the air ignites the fine spray of fuel.

[单选题]During the suction stroke, the piston is moving （）.A . inwardsB . outwardsC . downwardsD . upward

[单选题]For a diesel engine, when the piston is at the （）, the clearance volume is the largest.A . TDCB . DTCC . BDCD . DBC

Fuel injection begins during the compression stroke, before the piston reaches _

[单选题]D．uring the dock repair, when installing the tail shaft and propeller, _____ should be on the spot for supervisingA．chief engineerB．engineerC．captainD．any member of the engine department

[单选题]D．uring the dock repair, when installing the tail shaft and propeller, ____ should be on the spot for supervisingA．chief engineerB．engineerC．captainD．any member of the engine department

A piston in a four-stroke/cycle diesel engine makes four strokes during each( )

The law ___ companies to pay triple wages to employees working during the holida

During the 4th stroke, ______ and piston moves up, pushing the burned gases out

[单选题]When are credit spreads most likely to narrow? During:A.Economic expansions

[单选题]She has been working hard day and night during these years ______ she could