更多"Before any machinery is put in oper"的相关试题:
[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 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 attempting to put out a class “C” fire involving an electric-driven centrifugal pump, you should FIRST （）.
A. insulate your shoes
B. ground the fire hose
C. secure its power supply
D. start the fire pump
[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 any loading takes place any signs of the previous cargo should do（）.
A. kept
B. removed
C. replaced
D. recycled
[单项选择]Prior to a ship’s departure from any port （） should be tested with deck officer to ensure satisfactory operation.
A. fire fighting pump
B. the steering gear
C. life boat engine
D. the main engine
[单项选择]You must put the（）cargo this side, if any, and let me know later.
A. damaged
B. damage
C. damaging
[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]To center a compass bowl in its binnacle，you should have the ship on an even keel，heading north or south，and adjust the screws until（）.
A. the compass heading is in line with the lubber's line
B. there is no lost motion in the gimbal rings
C. no change of heading by compass is observed if you raise and lower the heeling magnet
D. the gimbal rings do not strike the compass frame when they are tilted
[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]Before the oily water separator put into operation, it should be （）
A. filled with bilge water
B. filled with oil
C. filled with clean water
D. be emptied
[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]（）this the Chief Officer agreed not to put any remarks.
A. At
B. By
C. For
D. Upon
[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]During working, thermostatic expansion valve should be （）.
A. either all the way open or all the way closed
B. normally fully open
C. throttled depending on load
D. controlled by liquefied pressure
[单项选择]（）you got any family?
A. Do
B. Have
C. Has
