海船船员考试
单选题Which statement is true concerning a vessel equipped with operational radar?（）.A The Master of the vessel must be on the bridge when the radar is in useB The radar equipment is only required to be used in restricted visibilityC The use of a radar excus
题目
The Master of the vessel must be on the bridge when the radar is in use
The radar equipment is only required to be used in restricted visibility
The use of a radar excuses a vessel from the need of a look-out
This equipment must be used to obtain early warning of risk of collision
相似问题和答案
第1题：
Which statement concerning satellite EPIRBs is TRUE ________．
A.Once activated，these EPIRBs continuously send up a signal for use in identifying the vessel and for determining the position of the beacon
B.The coded signal identifies the nature of the distress situation
C.The coded signal only identifies the vessel's name and port of registry
D.If the GMDSS Radio Operator does not program the EPIRB，it will transmit default information such as the follow-on communications frequency and mode
第2题：
When dead in the water，it is often difficult to find the neutral position and slight headway or sternway may result
When going directly from full ahead to full astern，there is complete steering control
When the vessel has headway and the propeller is in neutral，there is no effect on rudder control
When maneuvering in port，full ahead or astern power can usually be obtained without changing shaft RPM
第3题：
A large vessel is equipped with a controllable pitch propeller. Which statement is TRUE?
A.When dead in the water，it is often difficult to find the neutral position and slight headway or sternway may result
B.When going directly from full ahead to full astern，there is complete steering control
C.When the vessel has headway and the propeller is in neutral，there is no effect on rudder control
D.When maneuvering in port，full ahead or astern power can usually be obtained without changing shaft RPM
第4题：
The ventilators will automatically close by the action of fusible links
The motor takes its air supply from outside the lifeboat to prevent asphyxiation of the crew
A water spray system to cool the outside of the boat is operated by a high-volume manual pump
An air tank will provide about ten minutes of air for the survivors and the engine
第5题：
When at anchor，the pilot vessel is only required to sound anchor signals
The identification signal must be sounded any time the pilot vessel is underway
The pilot vessel may only sound the identity signal when making way
All of the above
第6题：
Concerning the identification signal for a pilot vessel, in fog, which statement is TRUE?___.
A.When at anchor, the pilot vessel is only required to sound anchor signals
B.The identification signal must be sounded any time the pilot vessel is underway
C.The pilot vessel may only sound the identity signal when making way
D.All of the above
雾中有关引水船的识别信号，哪句是正确的？当锚泊时，引水船仅被要求鸣放锚泊船信号.
第7题：
By day，she shall carry a black cylinder shape
By day，she shall carry two black balls in a vertical line
By night，she would show the same lights as a vessel not under command
By day，she would show the same shapes as a vessel restricted in her ability to maneuver
第8题：
Which statement is TRUE concerning the flash point of a substance ________．
A.It is lower than the ignition temperature
B.It is the temperature at which a substance will spontaneously ignite
C.It is the temperature at which a substance，when ignited，will continue to burn
D.It is the temperature at which the released vapors will fall within the explosive range
第9题：
Anchoring in the presence of ice is not recommended except in an emergency
Towing a vessel through an ice field is not recommended except in an emergency
The Free and Proceed system of escorting a beset vessel cuts down on the number of freeing operations
When anchoring in ice，it is advisable to increase the scope of the chain over what is normally used for non-icing conditions
第10题：
One vessel is approaching another vessel from more than 20° abaft the beam
It is the duty of the vessel being overtaken to get out of the way
Any later change of bearing between the two vessels shall not make the overtaking vessel a crossing vessel
All of the above