单项选择题

A clearly visible beneath of RT-flex engines is their operation at all ship speedsThis is achieved by the superior combustion performance（）

A.shockless
B.smokeless
C.no vibration
D.noiseless

相关考题

There is a support ring between the cylinder block and ...

单项选择题There is a support ring between the cylinder block and collar of the cylinder liner, thus carrying both the liner and the cylinder coverIt also passes to the cooling bores and to the cover（）

A.cooling water
B.cooling oil
C.refrigerant
D.lubricate oil

The cylinder covers are secured by eight elastic holdin...

单项选择题The cylinder covers are secured by eight elastic holding down arranged in four pairs（）

A.nuts
B.screws
C.studs
D.flanges

With No~1 and No~2 alternators running in parallel and ...

单项选择题With No~1 and No~2 alternators running in parallel and the KW loads equally shared, one alternator is drawing much higher current than the other.What does this indicate?（）

A.The alternators are not generating the same voltages and should be adjusted on automatic voltage regulator rheostats
B.Alternator frequencies are different and should be adjusted on the governor speed controllers
C.Alternators are out of phase and should be tripped and paralleled again
D.One alternator has lost one of its phases

船舶电气与船舶安全

A clearly visible beneath of RT-flex engines is their operation at all ship speedsThis is achieved by the superior combustion performance（）