更多"Before reassembling any machinery, "的相关试题:
[单项选择]Should any case or suspected case of quarantinable disease，or any case of eruptive disease or any death be discovered，the local Quarantine Officer must be（）immediately.
A. noted
B. noticed
C. notified
D. notificated
[单项选择]Before replacing a piston you should check the rings to see that all clearances and gaps are （） the permissible tolerances.
A. above
B. at
C. over
D. within
[单项选择]Before replacing a piston you should check that all rings are （）.
A. free
B. fastened
C. broken
D. stuck
[单项选择]Before starting a diesel engine, you should always（）
A. check the pyrometer readings
B. check the crankcase oil level
C. check the fuel oil strainers
D. clean the fuel system
[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]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 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 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]A precaution you should take before bunkering is to （） .
A. plug the vents
B. plug the sounding pipes
C. plug the scuppers
D. close the lids on the vents
[单项选择]Before switching on gyro-compass，you should make sure that the power supply on board is（）.
A. high or low
B. AC or DC
C. strong or weak
D. on or off
[单项选择]Before letting the anchor go，you should check that the（）.
A. chain is clear
B. anchor is clear of obstructions
C. wildcat is disengaged
D. All of the above
[单项选择]Is there any reason（）you should lie ?
A. why
B. where
C. which
D. as
[单项选择]Before entering the chain locker，you should（）.
A. have someone standing by
B. make sure there is sufficient air within the locker
C. de-energize the windlass
D. All of the above
[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]What should you do if you have transmitted a distress call a number of times on channel 16 and have received no reply?（）
A. Repeat the message using any other channel on which you might attract attention
B. Key the microphone several times before transmitting again
C. Turn up the volume on the receiver before transmitting again
D. Report the problem to the head electrician
[单项选择]Before any work on electrical or electronic equipment is performed, which of the following precautions should be carried out （）
A. De-energize the applicable switchboard bus
B. Bypass the interlocks
C. Secure and tag the supply circuit breaker in the open position
D. Station a man at the circuit supply switch
[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]Which publication should you check for complete information on Puget Sound weather conditions? （）
A. Sailing Directions
B. Light List
C. Coast Pilot
D. Chart of the area
