更多"Before any work on electrical or el"的相关试题:
[单项选择]Before doing any work on a hydraulic system equipped with accumulators, you should（）
A. drain the accumulators and purge with oxygen
B. bleed off all stored energy from the accumulators completely
C. charge the accumulators to prevent system energy loss
D. pump the hydraulic fluid into the accumulators to prevent fluid loss
[单项选择]Before any loading takes place any signs of the previous cargo should do（）.
A. kept
B. removed
C. replaced
D. recycled
[单项选择]Before work is commenced（）,the officer responsible should inform the duty en-gineer to ensure that steps are taken to reduce as far as practicable the emission of steam, harmful gases and fumes.
A. near the ship’s whistle
B. on the funnel
C. in the vicinity of radio aerials
D. near the radar scanner
[单项选择]Before starting any diesel or gasoline engine，which of the following must be checked? （）
A. Oil level
B. Flow of cooling water
C. Exhaust discharge
D. All of the above
[单项选择]Before reassembling any machinery, you should （）.
A. replace all bearings regardless of length of service
B. apply a heavy coat of oil to all mating surfaces
C. clean any corroded surfaces and file all burrs smooth
D. coat all parts with alemite grease
[单项选择]Before using or operating any equipment, you should first （） its manual thoroughly and understand its contents（）.
A. read/sufficient
B. consult/sufficiently
C. read/sufficiently
D. consult/sufficient
[单项选择]Before any machinery is put in operation，you should（）.
A. ventilate all compartments，see that the machinery is clean and there are no obstructions
B. just turn the key and start up
C. take for granted that there are no fuel leaks
D. assume there are no volatile fumes in the engine space
[单项选择]Prior to any overhaul work on electric equipment, it is important to ensure the circuits are （）.
A. live
B. dead
C. excited
D. on line
[单项选择]International Code for the Construction and Equipment of Ships Carrying Liquefied Gases in Bulk (IGC Code) is a part of（）
A. SOLAS
B. MARPOL
C. STCW
D. Ballast Water convention
[单项选择]He has never done this type of work before; I am not sure how he will fit（）with it.
A. in
B. on
C. into
D. up
[单项选择]She had clearly no（）of doing any work, although she was very well paid.
A. tendency
B. ambition
C. intention
D. willingness
[单项选择]Do you commute to work? No, I work at home.（）
A. You work?
B. How about you?
C. You do not work.
D. You work by train.
[单项选择]Any vessel（）any other shall keep out of the way of the vessel（）.
A. overtaking／overtaken
B. being overtake／being overtaken
C. overtaking／being overtaken
D. being overtaking／overtaken
[单项选择]卡特设备，ANY放置原则：ANY必须放置在ANX（）侧槽位。
A. 左
B. 右
C. 上
D. 下
[单项选择]She（）work next Monday
A. start
B. starts
C. starting
[单项选择]Before you begin administering artificial respiration, you should be sure the victim（）
A. is comfortable
B. is warm
C. is not bleeding
D. has a clear airway
[单项选择]He（）me do the work
A. gives
B. helps
C. minds
D. cares
