更多"When working on a high voltage circ"的相关试题:
[单项选择]When should you conduct a visual inspection of your towline? （）
A. Whenever its serviceability is in doubt
B. In accordance with the manufacturer's recommendation
C. At least once a month
D. All of the above
[单项选择]When should you use distress flares and rockets?（）
A. Only when there is a chance of their being seen by rescue vessels
B. At half-hour intervals
C. At one-hour intervals
D. Immediately upon abandoning the vessel
[单项选择]When you read the sailing directions, you should notice that this is one of a series of publications produced by the（）which should be consulted by users of Admiralty Charts.
A. UK Hydrographic Office
B. IMO
C. International Hydrographic Organization
D. International Association of Classification society
[单项选择]If exhaust temperatures are too high, you should check （）.
A. air cooler
B. turbocharger
C. charge air
D. A+B+C
[单项选择]When experiencing heavy winds，you should reef sails to（）.
A. bring the sails parallel to the wind
B. reduce sail area exposed to the wind
C. allow the sails to catch more wind
D. remove all tension on the main and jib sheets
[单项选择]When reporting wind direction, you should give the direction in（）.
A. true degrees
B. magnetic compass degree
C. relative degrees
D. isobaric degrees
[单项选择]When fighting an electrical fire, you should first （）.
A. stop ventilation to the area
B. stop the vessel
C. secure electricity to the circuit
D. apply CO2 to the fire
[单项选择]When you are making a high potential test on a piece of repaired electrical machinery, a rise in leakage current indicates （）.
A. good insulation
B. bad insulation
C. high insulation power factor
D. a high slot discharge factor
[单项选择]When using an ARPA，what should you consider in order to evaluate the information displayed?（）
A. The target vessel's generated course and speed are based solely on radar inputs
B. Navigational constraints may require a target vessel to change course
C. The trial maneuver feature will automatically determine a course that will clear all targets
D. You cannot determine if a small target has been lost due to sea return
[单项选择]（）should you do first when heaving up the anchor.
A. Engage the wildcat
B. Release the brake
C. Release the pawl
D. Engage the motor
[单项选择]When accepting engine room spares, you should（）
A. send a requisition list to the supplier
B. check that whether the items ordered have been already delivered
C. make the chief engineer on sport
D. follow a preset procedure
[单项选择]When the steering gear is in operation, you should （）.
A. check hydraulic oil levels every hour
B. check the rams for overheating
C. check for excessive oil leakage from rams
D. drain water from telemotor cylinders each watch
[单项选择]When approaching a fire from win ward, you should shield firefighters from the fire by using（）
A. low-velocity fog
B. high-velocity fog
C. a straight stream of water
D. foam spray
[单项选择]You should always wear（）when working on deck.
A. helmet
B. slippers
C. goggles
D. immersion suits
[单项选择]When checking a mooring line，you should（）.
A. ensure the bight is not fouled between the ship and the dock by taking up slack
B. pay out slack smartly and keep free for running
C. secure more turns to hold the line against any strain，then clear the area
D. surge the line so that it maintains a strain without parting
[单项选择]When underway in a channel，you should if safe and practicable（）.
A. stay near the middle of the channel
B. keep to the starboard side of any vessels you meet
C. exchange whistle signals with any other vessels in the channel
D. keep to the side of the channel which lies to your starboard
[单项选择]When securing an AC generator, you should FIRST （）.
A. open the generator circuit breaker
B. switch the voltage regulator to “manual”
C. decrease the field excitation to minimum
D. reduce the load on the unit
[单项选择]When doing business in the US, you should take the following considerations into（）.
A. adventure
B. account
C. advice
D. ambition
[单项选择]When taking action to avoid collision，you should（）.
A. Make sure the action is taken in enough time
B. Not make any large course changes
C. Not make any large speed changes
D. All of the above
