A relative bearing is always measured

1、A thrust bearing is used with a propul

A thrust bearing is used with a propulsion diesel engine to （）.Acontrol axial movement of the crankshaftBtransmit engine thrust to the propell...

2、At 1810，a red buoy bears 010° relative

At 1810，a red buoy bears 010° relative. This buoy marks（）.Athe side of York Spit ChannelBthe visibility limit of the red sector of Cape Henry LightCa submerged obstruction in York Spit ChannelDthe York River Entrance Channel

3、A manometer is used to measure （）.

A manometer is used to measure （）.ApressureBtemperatureCvolumeDspecific gravity

4、A sling psychrometer is used to measur

A sling psychrometer is used to measure（）.Aseawater temperatureBengine temperatureCdry bulb and wet bulb temperaturesDbarometric pressure

5、Magnetic dip is a measurement of the a

Magnetic dip is a measurement of the angle between the（）.Ageographic pole and the magnetic poleBlubber's line and true northChorizontal and the magnetic line of forceDcompass heading and the magnetic heading

6、The pitch of a propeller is a measure

The pitch of a propeller is a measure of the（）.Aangle that the propeller makes with a free stream of waterBangle that the propeller makes w...