During the power stroke of a four-stroke/cycle diesel engine, most of the side thrust of a trunk-type piston is absorbed by the()
A、piston skirt
B、pinion
C、crosshead
D、compression rings
A、piston skirt
B、pinion
C、crosshead
D、compression rings
A、connect to the busbar when the load increasing B、supply power specially to charging panel C、be put into operation during the ship arriving at or leaving port D、ensure the power supply to critical equipment after the main switchboard out of power
A、During operation at low speed B、During operation at rated speed, but low power output C、During acceleration D、All of the above
A、A. Backup power generator B、B. Uninterruptable power supply C、C. Power line conditioners D、D. Surge protectors
A、The power cable was installed incorrectly and needs to be flipped. B、The floppy drive was not enabled within the motherboard’s BIOS. C、The FDD cable was installed incorrectly and needs to be flipped. D、A Molex power cable was used instead of a Berg cable.
A、unscrewing the bulb during the daylight B、switching the light on only when necessary C、taking no action as there is no way on saving power D、taking no action as they shut off automatically in daylight
A、stronger than during the summer months B、weaker than during the summer months C、drier than during the summer months D、wetter than during the summer months
A、A. Applying the BIOS settings in the incorrect order B、B. Power being lost during the upgrade process C、C. Installing the OS before applying the BIOS upgrade D、D. Imaging the system after performing a BIOS upgrade