How is the intensity of a light expressed in the Light Lists?______.
A.Luminous range
B.Geographic range
C.Nominal range
D.Meteorological range
第1题:
An anchored vessel on pilotage duty must show which light(s) at night?
A.A sternlight only
B.Anchor lights only
C.A white light over a red light only
D.A white light over a red light and anchor lights
第2题:
A vessel trawling will display a ______.
A.red light over a white light
B.green light over a white light
C.yellow light over a red light
D.white light over a green light
第3题:
How many life buoys________on board with self-igniting light?
A.there exist
B.there is
C.there are
D.are there
第4题:
以下灯光属性中哪个属性可以影响阴影颜色?()
第5题:
第6题:
Mariners are FIRST warned of serious defects or important changes to aids to navigation by means of ______.
A.marine broadcast Notice to Mariners
B.Weekly Notices to Mariners
C.corrected editions of charts
D.Light Lists
第7题:
How would the exhaust of a properly operating diesel engine appear ________.
A.Light blue haze
B.Light brown haze
C.Light gray haze
D.Perfectly clear
第8题:
A light used to signal passing intentions must be an ______.
A.all-round yellow light only
B.all-round white light only
C.all-round blue light only
D.alternating red and yellow light
第9题:
第10题:
There is a ()(灯塔).