更多"An electrical device which employs "的相关试题:
[单项选择]An electrical device which employs a stationary armature and a rotating electromagnetic field is used aboard ship as a （）.
A. magnetic amplifier
B. ship’s service alternator
C. three-wire DC generator
D. saturable core reactor
[单项选择]An electrical device which prevents an action from occurring until all other required conditions are met is called a/an （）.
A. limit
B. monitor
C. modulator
D. interlock
[单项选择]A device which functions to bring a diesel engine to a full stop to protect it from damage is known as a/an （）
A. torque limiter
B. over-speed trip
C. over-speed governor
D. load limit governor
[单项选择]A device which prints out a permanent record of the plant operating conditions is known as the （）.
A. analogger
B. bell logger
C. alarm logger
D. data logger
[单项选择]A(n) （） is a device which adds to the energy of a liquid or gas causing an increase in its pressure and a movement of the fluid.
A. pump
B. engine
C. turbine
D. boiler
[单项选择]The device, which is installed in the compressor suction line to prevent liquid from entering the compressor when hot gas defrosting, is called a（）
A. re-evaporator
B. receiver
C. dehydrator
D. solenoid
[单项选择]Which device is designed to automatically hold the load if power should fail to an electric winch?（）
A. Pneumatic brake
B. Electromagnetic brake
C. Hand brake
D. Motor controller
[单项选择]Which device provides the main means in the GMDSS for locating ships in distress or their survival craft（）.
A. Radio direction finder
B. Satellite EPIRBs
C. MF/HF DSC
D. VHF homing device
[单项选择]Which tensioning device is used with chain to secure heavy vehicles aboard Ro-Ro vessels（）.
A. Chain lever
B. Buckle tensioner
C. Adjust-a-matic tensioner
D. Ratchet tensioner
[单项选择]Which of below device has the maximum coverage range（）
A. AIS
B. Radar
C. VHF
D. LRIT
[单项选择]Which of the listed characteristics of lube oil are the most important to the engineer from an operational standpoint?（）
A. Ash content, carbon residue, and gravity
B. Viscosity, acidity, and demulsibility
C. Pour point, flash, point, and precipitation number
D. Auto-ignition point, viscosity index, and film strength
[单项选择]Which content networking device allows bandwidth configuration settings so that streaming content will not interfere with other network traffic？（）
A. IP/TV Control Server
B. Content Distribution Manager
C. Content Engine
D. IP/TV Broadcast Server
[多项选择]Which three port states are used by RSTP 802.1w？（）
A. Listening
B. Learning
C. Forwarding
D. Blocking
E. Discarding
F. Disabled
[单项选择]The piston crown employs the usual jet-shaker principle with an arrangement of cooling bores in the crown so that the surface temperatures of the crown are moderate with a very even distribution（）
A. water cooling
B. oil cooling
C. air cooling
D. combined cooling
[单项选择]AR—3460、AR—4460光谱的WinOE软件主菜单由（）个部分组成。
A. 3
B. 4
C. 5
D. 6
[多项选择]修复Device error的步骤（）
A. 重新启动计算机
B. 查杀病毒
C. 进入CMOS，检查硬盘设置参数是否丢失或硬盘类型设置是否错误
D. 恢复硬盘参数设置
[单项选择]Which of the following is not a factor which can interfere with the pulse of sound and cause a variation the depth reading?（）
A. salinity
B. temperature
C. the hydrostatic pressure
D. Vessel’s speed
