A.Relative
B.TRUE
C.Compass
D.Magnetic
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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
A.Starting with a dash and extending radially outward from the target
B.As a broken line from center of PPI to the target
C.Starting with a dot and extending radially inward from the target
D.Starting with a dash and extending to the right of the target
A.The Master of the vessel must be on the bridge when the radar is in use
B.The radar equipment is only required to be used in restricted visibility
C.The use of a radar excuses a vessel from the need of a look-out
D.This equipment must be used to obtain early warning of risk of collision
最新試題
You are underway at 5 knots and see on your radar a contact 10 miles directly astern of you. 12 minutes later,the contact is 8 miles directly astern of you. What is the estimated speed of the contact? ()
Which statement about an estimated position is TRUE?()
Which ARPA data should you use in order to determine if a close quarters situation will develop with a target vessel? ()
The()has a built-in world map; most areas are displayed on a scale of 4000 nm from the top to the bottom of the screen,and can be zoomed in to 150 nm.
Which statement is true concerning a vessel equipped with operational radar?().
When using a radar in a unstabilized mode,fixes are determined most easily from().
Radar reflectors are required for().
Which condition indicates that your radar needs maintenance?()
PPI is().
Your radar is set on a true motion display.Which of the following will NOT appear to move across the PPI scope().