A.Oil Record Book Part Ⅰ
B.Oil Record Book Part Ⅱ
C.Oil Record Book Part Ⅰ or Part Ⅱ
D.Oil Record Book Part Ⅰ and Part Ⅱ
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A.periodically
B.occasionally
C.chronologically
D.additionally
A.at which/to which
B.from which/at which
C.to which/from which
D.in which/on which
A.brake capabilities
B.reversing capabilities
C.maneuvering capabilities
D.acceleration capabilities
A.28 seconds；7 knots
B.28 seconds；14 knots
C.60 seconds；7 knots
D.60 seconds；14 knots
A.more than 28 seconds
B.more than 60 seconds
C.less than 28 seconds
D.less than 60 seconds
最新試題
An excessive charge of refrigerant in an air-cooled refrigeration system can cause （）.
Low compressor head pressure in a refrigeration system can be caused by（）.
Who is responsible for ensuring that someone is assigned to close the watertight doors in an emergency?（）
Which of the following statements is correct concerning heat transfer?（）
One cause of high head pressure occurring in a refrigeration system can be （）.
If the head pressure of a reciprocating refrigeration compressor is excessive, （）.
If the viscosity of the liquid being transferred remains constant as the discharge pressure increases, the rotary pump （）.
An internal bypass is provided on some hydraulic system suction strainers to help reduce the possibility of （）.
Heavy wear in a particular area of the inner circumference of a packing ring may be caused by （）.
An increasing head pressure in a refrigeration system, without any corresponding change in the cooling water inlet temperature, would probably be caused by （）.