Water enters the rotating impeller thr

1、The correct phase rotation of a three-

The correct phase rotation of a three-phase alternator can be checked with a（）AdynamometerBpower factor meterCthree-phase motorDpolyphase voltmeter

2、The heated feed-water entering any fla

The heated feed-water entering any flash chamber of a flash-type evaporator will（）Avaporize, with the un-flashed water remaining at the temperat...

3、What is the direction of rotation of t

What is the direction of rotation of tropical cyclones,tropical storms and hurricanes in the Northern Hemisphere?（）AClockwise and outwardBCounterclockwise and inwardCCounterclockwise and outwardDClockwise and inward

4、In order to reverse the rotation of a

In order to reverse the rotation of a two-stroke/cycle loop scavenged, direct reversing, propulsion diesel engine, the cam positions must be changed for the （）.Astarting air and fuel pumpsBpiston cooling pumpsCexhaust valvesDall of the above

5、The coil of wire rotating in the magne

The coil of wire rotating in the magnetic field produces the（）.AvoltageBcurrentCpowerDfrequency

6、The rotating unit of a spilt windlass

The rotating unit of a spilt windlass consists of a（） with shaped snugs to grip the anchor cablea mooring drum for paying out or letting go of mooring wires and warp end for warping duties.AcranesBmooring barrelCcapstansDcable lifter