更多"When the power of SART is on, it wi"的相关试题:
[单项选择]When the power of SART is on, it will（）.
A. transmit distress signal
B. send response signal
C. transmit the signal of ship’s position
D. be started by X-band radar
[单项选择]When the power of a SART is on , it will（）.
A. transmit distress signal
B. send response signal
C. transmit the signal of ship‟s position
D. be interrogated by X-band radar
[单项选择]A power driven vessel when towing and the length of the tow exceeds 200 meters shall exhibit during daylight hours where they can best be seen which of the following shapes? （）
A. a diamond shape
B. two cones，apexes together
C. a black ball
D. one cone，apex upward
[单项选择]What happens to the pulling power of a winch when retrieving wire rope?（）
A. It increases
B. It decreases
C. It remains the same
D. It fluctuates，depending on the gearing system
[多项选择]SART的工作时间为（）
A. 待命状态工作96小时
B. 连续工作48小时
C. 只能在雷达脉冲触发时工作8小时
D. 还可在雷达脉冲触发时工作8小时
E. 应答状态工作96小时
F. 待命状态工作8小时
[单项选择]The holding power of an anchor increases when the（）.
A. amount of chain lying along the bottom increases
B. length of the catenary is reduced
C. mooring line tension is increased
D. amount of chain lying along the bottom decreases
[单项选择]When two power-driven vessels are meeting on reciprocal or nearly reciprocal courses so as to involve risk of collision，they shall be deemed to be in（）.
A. crossing situation
B. head-on situation
C. restricted visibility
D. overtaking situation
[单项选择]The SART should have sufficient battery capacity to operate in the stand-by condition for（）hours and should continuously work for（）hours.
A. 120/20
B. 56/18
C. 100/16
D. 96/8
[单项选择]When the current in a power transmission line is increased, the power loss （）
A. increases as the square of the current
B. decreases as the square root of the current
C. remains the same, as it is independent of current flow
D. increases in direct proportion as the current
[单项选择]When two power-driven vessels are meeting head-on and there is a risk of collision,each shall（）.
A. stop her engines
B. alter course to starboard
C. sound the danger signal
D. back down
[单项选择]When the power is shut off, the wire（）
A. becomes slack
B. can not be paid out unless the brake is overhauled or recover wire unless manually operated
C. will be let out because the brake is out of work
D. may be pay out due to no power
[单项选择]A power-driven vessel，when towing astern，shall show（）.
A. two towing lights in a vertical line
B. a towing light in a vertical line above the sternlight
C. two towing lights in addition to the sternlight
D. a small white light in lieu of the sternlight
[单项选择]Which conditions will normally cause a SART to operate in the active mode?（）
A. It will respond only to interrogation by 9-Ghz radar signals
B. A SART will normally respond to interrogation from a searching vessel's radar if the radar antenna is at least 15 meters high
C. A SART will normally respond to interrogation from a searching aircraft's radar if the radar's output power is at least 10，000 watts and the aircraft is at a height of 3000 feet and within 30 nautical miles
D. All of the above
[单项选择]A SART can be fixed on（）.
A. a mother ship
B. a lifeboat
C. a life craft
D. all of A,B,C
[单项选择]On offshore drilling units，each EPIRB or SART must be tested once every（）.
A. day
B. week
C. month
D. year
[单项选择]How can rescue personnel detect that a SART is transmitting in the immediate vicinity?（）
A. The SART's blips on the PPI will begin arcing and eventually become concentric circles
B. The DSC unit will react to the SART's signal and respond with the two-tone alarm
C. The SART can provide an approximate location to within a two nautical mile radius，per IMO standards
D. The SART signal appears as a target which comes and goes; the effect of heavy swells on a SART
