單項(xiàng)選擇題To determine that a compartment contains sufficient oxygen to sustain life, you should use a/an （）.

A.explosimeter
B.oxygen indicator
C.fresh air indicator
D.all of the above


您可能感興趣的試卷

你可能感興趣的試題

1.單項(xiàng)選擇題An oxygen indicator will detect （）.

A.concentrations of explosive gas
B.an oxygen deficiency in a space
C.the presence of harmful amounts of carbon monoxide
D.All of the above

2.單項(xiàng)選擇題The term "oily mixture", as defined in the Pollution Prevention Regulations includes （）.

A.sludge
B.oily ballast water
C.bilge slops
D.All of the above

3.單項(xiàng)選擇題The term "oil", as used in the Pollution Prevention Regulations, means （）.

A.fuel oil only
B.crude oil only
C.liquefied petroleum gas
D.petroleum oil of any kind

4.單項(xiàng)選擇題Which of the actions listed should be taken by the engineer on watch when the general alarm is sounded continuously for 10 seconds?（）

A.Engine room ventilation should be started
B.Main engines should be secured
C.The fire pump should be started
D.The fixed CO2 system should be activated

5.單項(xiàng)選擇題When the general alarm is sounded continuously, the engine room personnel should （）.

A.proceed to their man overboard stations
B.start the fire pump
C.put on lifejackets and go to their abandon ship stations
D.secure the propulsion diesel engines and evacuate the engine room