A. High-speed operation and rough handling of hatches are dangerous.
B. Low-speed operation and rough handling of hatches are dangerous.
C. Low-speed operation and rough handling of hatch covers are dangerous.
D. High-speed operation and rough handling of hatch covers are dangerous.
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A. We dismantle the jumbo boom twice a voyage.
B. We dismantle the derricks once a voyage.
C. We examine the derricks once a voyage.
D. We dismantle the heavy derricks once a voyage.
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.
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
最新试题
I am adjusting the derrick. It is a little higher.()
STOW AWAY FROM BOILER()
Please close all the hatches.()
Stores in Deck Department are: common tools, ropes, working protection gears, all kinds of paint and so on.()
During loading and discharging, the equipment works with all kinds of cargo sling, net, wire, tray, plate clamp, etc.()
There is something wrong with the winch at hatch No.2.()
HANDLE WITH CARE()
We won’t load the light cargo first, will we? No, we won’t.()
DO NOT CRUSH ()
We are loading the flammable cargo.()