A. Each hatch consists of two panels.
B. Each hatch cover consists of two panels.
C. Each hatch consists of two or more panels.
D. Each hatch cover consists of two or more panels.
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A. These hatches are usually driven by electric or hydraulic power.
B. These hatch covers are usually driven by electric or hydraulic power.
C. These hatch covers are usually driven by electric.
D. These hatch covers are usually driven by hydraulic power.
A. There are several types of hatch covers on board ship.
B. There are several types of hatches on board ship.
C. There is one type of hatches on board ship.
D. There is one type of hatch covers on board ship.
A. The work of opening and closing hatches is usually done by crew members.
B. The work of opening and closing hatch covers is usually done by crew members.
C. The work of opening hatch covers is usually done by crew members.
D. The work of closing hatch covers is usually done by crew members.
A. After loading and discharging, hatch covers will be opened.
B. After loading and discharging, hatch covers will be closed.
C. Before loading and discharging, hatch covers will be opened.
D. Before loading and discharging, hatch covers will be closed.
A. the guide rail
B. the guide rope
C. the side coaming
D. the guide roller
A.why
B.when
C.how
D.what
A. the open valve
B. the stop valve
C. the steam valve
D. the close valve
A. monthly
B. every three months
C. once monthly
D. every two months
A.foreman
B.operator
C.opener
D.stevedore
A. The cargo runner
B. The cargo block
C. The derrick sling
D. The lashing wire
最新试题
Clamps have been used up, and we also need plenty of lashing wires.()
What’s the matter with the winch?()
Most general cargo ships have two derricks and two winches at each hatch.()
Liquid bulk cargo is loaded and discharged by pumps.()
The safe working load of the derrick is 5 tons.()
We are loading dangerous cargo now.()
Persons who load and discharge ships are called stevedores.()
NO TURNING OVER()
NO DUMPING()
Don’t forget to close the hatches. ()