更多"（）is used for heaving up and slacki"的相关试题:
[单项选择]（）is used for heaving up and slacking away the anchor and chain.
A. A winch
B. A windlass
C. A deck crane
D. A lifeboat engine
[单项选择]A device used to tighten up remaining slack in wire rope when you are making up to a tow in inland waters is a（）.
A. tripping line
B. tripping bracket
C. norman pin
D. steamboat ratchet
[单项选择]A twin screw craft being used to pick up a person who has fallen overboard from a vessel should approach if you（）.
A. reverse port engine, apply right rudder
B. reverse port engine,rudder amidships
C. reverse starboard engine, apply right rudder
D. revers starboard engine, rudder amidships
[单项选择]Which method should be used to warm up the pump turbines prior to discharge（）.
A. Lock the turbine rotor and slowly bleed in steam until operating temperature is reached
B. Run the pump at high speed with the discharge valves closed
C. Run the turbine at slow speed with the pump disconnected
D. Shut the discharge valve and run the pump at slow speed
[单项选择]A survival craft being used to pick up a person who has fallen overboard from a ship should approach the person（）.
A. at a high rate of speed
B. under oars
C. against the wind
D. with the wind
[单项选择]Little Tom is used to getting up（）eight every morning.
A. at
B. on
C. in
D. of
[单项选择]（） will be used to blow away the combustion products from the tube surfaces.
A. The blow down valve
B. The scum valve
C. The air release cock
D. The soot-blower
[单项选择]（） will be used to blow away soot and the combustion products from the tube surfaces.
A. The blow down valve
B. The scum valve
C. The air release cock
D. Scot-blower
[单项选择]On an anchor windlass，the wheel over which the anchor chain passes is called a（）.
A. brake compressor wheel
B. devil's claw
C. wildcat
D. winchhead
[单项选择]The best method to stop a vessel from dragging anchor in a sand bottom is to（）.
A. reduce the length of the cable
B. pay out more anchor cable
C. back the engines
D. swing the rudder several times to work the anchor into the bottom
[单项选择]卡特BTS中，接4载频时候，ANC的损耗大概是（）
A. 0dB
B. 3dB
C. 6dB
D. 8dB
[多项选择]下列对于福特金牛座ANC主动降噪系统描述正确的是（）。
A. 2.0L GTDi至尊型、2.7L GTDi至尊型配备
B. 实现对发动机、排气及轮胎的噪音主动降噪
C. 具有3个mic及带ANC模块的音响扬声器
D. 降低隔音材料使用减轻车重降低油耗
[单项选择]Alcatel G3 BTS基站：G3（）模块实现的功能等同于G4 BTS中的Anc模块。
A. 1个ANx
B. 1个ANx和1个Any
C. 1个ANx和2个Any
D. 1个ANx和3个ANy
[单项选择]Alcatel G4 BTS基站：ANc是G4 BTS中的一个必要模块单元，主要提供耦合以及合路功能，当仅提供耦合功能时，信号经过此器件的损耗是（）；当同时提供耦合与合路功能时，信号经过此器件的损耗是（）。
A. 1.0dB；3.3dB
B. 1.0dB；4.3dB
C. 3.3dB；4.3dB
D. 3.3dB；3.3dB
[判断题]在TUP的计费信息中，只有ANC和ANN能表示该次呼叫是否计费。
[单项选择]智能外设在收到SCP回送的第一个（）后，回给SSP发送一个应答信号（ANM或ANC），由SSP向发端局转发。
A. 呼叫控制指示（CCDIR）
B. 表征收号的SRF指示（SRFDIR）
C. 表征放音的SRF指示（SRFDIR）
D. 分析信息（INVOKE）
[单项选择]昂科威搭载的ANC主动降噪技术通过（）的原理净化车内环境，安坐车内更气定神闲。
A. 吸收噪音
B. 隔绝噪音
C. 抵消噪音
D. 排除噪音
