更多"Hygroscopic cargoes should be venti"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°C and the cargo temperature is 12°C
[单项选择]A space should be ventilated when（）.
A. The cargo's temperature is colder than the dew point of the air in the space
B. The cargo's temperature is warmer than the dew point of the air in the space
C. The dew point of the air in the space is lower than the dew point of the outside air
D. All of the above
[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]When referring to dry bulk cargoes，the term “flow state”（）.
A. designates the state of a commodity when the ship is heeled past the angle of repose
B. relates to the suitability of loading a cargo by flowing down inclined chutes
C. refers to the saturation of a dry bulk product with water to the point where it acts as a liquid
D. relates to the minimum granule size of a particular product where it will flow like a liquid at an angle of 30°
[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]The officer of the watch should use radar when appropriate and at all times in（）waters.
A. congesting
B. congested
C. congestion
D. congest
[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]Which IPsec security protocol should be used when confidentiality is required？（）
A. AH
B. MB5
C. PSK
D. ESP
[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 precaution should be taken when testing a line throwing gun?（）
A. Never remove the line from the rocket
B. Fire it at an angle of approximately 90 degrees to the horizon
C. Wear asbestos gloves
D. All of the above
[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]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]How should the number 2 be pronounced when spoken on the radiotelephone?（）.
A. NUM-BER-TOO
B. BEES-SOH-TOO
C. DOS-SOH-TU
D. NEM-MARL-TWO
[单项选择]How should the number 3 be pronounced when spoken on the radiotelephone?（）.
A. TAY-RAH-TREE
B. BEES-SOH-THREE
C. NUM-ERL-THREE
D. TRIC-THREE
[单项选择]How should the number 4 be pronounced when spoken on the radiotelephone?（）.
A. QUAD-ROS-FOOR
B. NUM-ERL-FOUR
C. NUMB-ER-FOWER
D. KAR-TAY-FOWER
[单项选择]How should the number 7 be pronounced when spoken on the radiotelephone?（）.
A. SAY-TAY-SEVEN
B. SEE-ETA-SEVEN
C. NUM-BER-SEVEN
D. NEW-MER-AL-SEVEN
[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 relief valves
