更多"A space should be ventilated when（）"的相关试题:
[单项选择]Hygroscopic cargoes should be ventilated when（）.
A. going from a warm to a cold climate
B. the dew point of the outside air is greater than the dew point of the air in the hold
C. the dew point of the air in the hold is very low
D. the outside dew point is 16℃ and the cargo temperature is 12℃
[单项选择]When should a fire be ventilated?（）
A. When attacking the fire directly
B. When using a steam smothering system
C. When using the fixed CO2 system
D. All of the above
[单项选择]Which procedure should be followed when individuals are rescued in cold climates and suffer from hypothermia?（）
A. Give them brandy
B. Keep them in motion
C. Immerse them in a warm bath (105°F，40°C)
D. Cover them with an electric blanket set for maximum temperature
[单项选择]What additional precautions should be taken when making temporary repairs to a ship that is operating when hydrogen sulfide is present?（）
A. Seal off all tank and compartment ventilation
B. Remove all bulk materials from the P-tanks
C. Provide respiratory protection and monitoring
D. All of the above
[单项选择]Which operation should be done when launching an inflatable liferaft by hand?（）
A. Open the liferaft casing
B. Turn the valve on the CO2 cylinder to start inflation
C. Make sure the operating cord is secured to the vessel before throwing it over the side
D. After inflation，detach operating cord from liferaft
[单项选择]Which channel and mode should be used when initiating a distress alert transmission（）.
A. Channel 6 DSC
B. Channel 6 Radiotelephony
C. Channel 13 Radiotelephony and channel 16 DSC
D. Channel 70 DSC
[单项选择]Which action should be taken when an auxiliary boiler in is operation?（）
A. Clean all electrical connections
B. Lift the relief valves by hand
C. Inspect and clean all solenoid valves
D. Inspect for oil and water leaks
[单项选择]A “Mediterranean moor” should be used when（）.
A. when anchoring in the Mediterranean
B. when docking stern to a berth
C. when docking bow to a berth
D. when anchoring in a strong current
[单项选择]Every ship should hoist（）when approaching and entering ports.
A. its flashing light
B. the ship's name
C. its identification
D. its signal letters
[单项选择]When should the emergency position-indicating radiobeacon be activated after abandoning a ship?（）
A. Immediately
B. After one hour
C. Only when another vessel is in sight
D. Only after sunset
[单项选择]When towing astern what equipment should be stowed ready for use near the towline?（）
A. First aid kit
B. Axe or cutting torch
C. Fire extinguisher
D. Chafing gear
[单项选择]（）should generally be used when handing rough or sharp objects.
A. Heat-resistant
B. Rubber gloves
C. PVC gloves
D. Leather gloves
[单项选择]How should cargo tank hatches be protected when the ullage opening is open and the tank not gas free?（）.
A. With gooseneck vents
B. With warning signs
C. With flame screens
D. With pressure-vacuum relife valves
[单项选择]How should the letter O be pronounced when spoken on the radiotelephone?（）
A. OCK TOW BER
B. O RI AN
C. OSS CAH
D. OA KAM
