A.Securing equipment against slipping or drifting
B.Operating machinery at its recommended speed
C.Repairing loose handles on tools before using
D.Using tools for purpose for which they are not designed
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A.approved by the Coast Guard
B.high carbon steel
C.fixed with a ferrous cover
D.nonsparking
A.the forced ventilating system is operating
B.the cargo pumps are secured
C.no monocarbon gases are present
D.the oily water separator is de-energized
A.signaling that all personnel are clear before lifting or lowering material
B.Examining material for sharp edges or protruding points before handling
C.Closing, tagging, or securing valves that permit entrance of steam, water, or air into a fitting or other equipment
D.Throwing materials from high places to the deck
A.The expansion tank should be topped off
B.The thermostatic water regulating valves should be manually opened
C.The fuel filters should be changed
D.The engine should be turned over slowly with the indicator cocks open
A.Full Ahead
B.Half Ahead
C.Full Astern
D.Half Astern
最新試題
The ISPS Code consists of a mandatory section-Part A, which shows（）
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
Which of the following items don’t belong to dock repair works?（）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
（） is not installed on the main switchboar.
To proceed to the assistance of a ship in distress is（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）