A.EBL
B.VRM
C.CRT
D.Grease pencil
您可能感興趣的試卷
你可能感興趣的試題
A.To receive the high-frequency pulses from the transmitter
B.To focus the pulses into a beam，and send them into space
C.To pick up reflected pulses coming from objects that have been struck by the beam
D.To reflect microwaves
A.Relative
B.TRUE
C.Compass
D.Magnetic
A.Your speed must be reduced to bare steerageway
B.A look-out is not required if the radar is on
C.Fog signals are only required when a vessel is detected by radar
D.The radar should always be kept on a short-range scale
A.stop your engines
B.sound two prolonged blasts of the whistle
C.sound the danger signal
D.slow to bare steerageway
A.Dead in the water
B.1 knot
C.10 knots
D.15 knots
最新試題
Your ARPA has two guard zones.What is the purpose of the inner guard zone（）.
You are using a radar in which your own ship is shown at the center，and the heading flash always points to 0°. If bearings are measured in relation to the flash，what type of bearings are produced? （）
（）typically extends from close as 0.1 nautical miles out to 32 NM.
（）is not used in modern radar.
You are underway in thick fog. You have not determined if risk of collision exists. Which statement is TRUE?（）.
You are underway in restricted visibility and hear a fog signal forward of the beam. Nothing appears on your radar screen. You must（）.
Which statement is TRUE concerning a vessel equipped with operational radar?（）.
Your radar displays your ship off center．As you proceed on your course， your ship’s marker moves on the PPI scope while echoes from land masses remain stationary.What is this display called（）.
When using an ARPA，what should you consider in order to evaluate the information displayed?（）
What will cause the ARPA to emit a visual alarm，audible alarm，or both?（）