A relative bearing is always measured from（）.

In an engine with a pot-shaped piston, some lubricating oil from the main bearing will pass along a drilled passage in the crankshaft to the bottom end bearing and then up a connection rod to the

A.crosshead

B.crankpin

C.crank journal

D.gudgeon pin

The dangerous semicircle of a hurricane in the Northern Hemisphere is that area of the storm ______.

A.to the right of the storm's track

B.measured from true north clockwise to 180°T

C.measured from true north counterclockwise to 180°T

D.between the ship's heading and the bearing to the eye

Radar display in which North is always at the top of the screen is a(n)______．

A.unstabilized display

B.stabilized display

C.composition display

D.relative display

A compass card without north-seeking capability that is used for relative bearings is a（n）______．

A.Bearing circle

B.Pelorus

C.Bearing bar

D.Alidade

A true bearing of a charted object，when plotted on a chart，will establish a ______.

A.fix

B.line of position

C.relative bearing

D.range

The dangerous semicircle of a typhoon in the Southern Hemisphere is that area ______.

A.measured from due south clockwise 180°

B.measured from due south counterclockwise 180°

C.to the left of the storm's track

D.ahead of the typhoon measured from the storm's track to 90°on each side

The bearing of a position shall, according to the SMCP, be in the 360 degrees notation from true north and shall be that of the position ______ the mark.

A.TO

B.AGAINST

C.FROM

D.ON

You have calibrated your RDF．When compiling the calibration table，the correction to be applied to any future RDF bearings is listed against the ______．

A.true bearing of the transmitter

B.relative bearing of the transmitter

C.heading of the vessel

D.time of reception