更多"An electrical device which prevents"的相关试题:
[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]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]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]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]Bulkheads which from part of the tanks on a vessel are stiffened to withstand（）.
A. deck loads from above
B. dynamic forces while afloat
C. hydrostatic pressure
D. over-pressurization
[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]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]（） device is provided to prevent starting air from being admitted to the cylinder before the reversing is completed.
A. An automatic
B. A transmission
C. A self-regulating
D. An interlocking
[单项选择]What best describes the structure from which Stratford Point Light is shown?（）
A. Brown conical tower with white horizontal band in center of light on black pier
B. Red conical tower on brown cylindrical pier
C. White octagonal house on brown cylindrical pier
D. White conical tower，with brown band midway of height
[单项选择]Which space cannot be deducted from gross tonnage when calculating net tonnage（）.
A. Crew messroom
B. Forepeak ballast tank
C. Master's cabin
D. Chain locker
[单项选择]Which expression has the different meaning from entry into force ? “entry into force” means is（）.
A. coming into effect
B. moving to full effect
C. being based on force
D. coming into force
[单项选择]The board acknowledges the problems which （）from the newness of the approach.
A. arise
B. rise
C. arouse
D. raise
[单项选择]Which wind results from a land mass cooling more quickly at night than an adjacent water area?（）
A. coastal breeze
B. sea breeze
C. land breeze
D. mistral
[单项选择]Which of the following devices are protected from being motorized by a reverse-power relay?（）
A. Alternators
B. Wave guides
C. Exciters
D. Amplidynes
