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Before using a fixed CO2 system to fight an engine room fire, you must ______.
A.secure the engine room ventilation
B.secure the machinery in the engine room
C.evacuate all engine room personnel
D.All of the above
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更多 “ Before using a fixed CO2 system to fight an engine room fire, you must ______.A.secure the engine room ventilationB.secure the machinery in the engine roomC.evacuate all engine room personnelD.All of the above ” 相关考题
考题
Operation of the valve control release on a fixed CO2 system must immediately ______.A.release CO2 to the protected spaceB.secure all mechanical ventilation in the protected spaceC.sound the rig’s general alarm signal for a fireD.sound an alarm in the ballast control room
考题
While on watch in the engine room, you hear a continuous sounding of the general alarm. Which of the following actions should you take?A.Make an entry in the official logbookB.Open the master control valves on the fixed CO2 systemC.Start the fire pump and check discharge pressureD.Secure auxiliary condenser overboard discharge
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Which of the following is operated from the main engine room console on an automated vessel?A.Fire pump and lube oil pumpB.Lube oil pump and distilling plantC.Distilling plant and shaft alley doorD.Shaft alley door and fixed CO2 release
考题
In fighting a fire in a fuel tank, the FIRST action you should attempt is to _____.A.secure all sources of fresh air to the tankB.begin transferring the fuel to other tanksC.top off the tank to force out all vaporsD.station someone at the fixed CO2 release controls
考题
At the earliest indication of fire aboard your vessel, you must FIRST ______.A.locate the fireB.determine which type of fire is burningC.sound the alarmD.fight the fire
考题
Which of the following statements is FALSE，concerning the regulations pertaining to the cylinder room of a fixed CO2 fire extinguishing system ________．A.The compartment must be properly ventilatedB.The temperature of the room should never exceed 130℉C.The door must be kept unlockedD.The compartment shall be clearly marked and identifiable
考题
单选题Before using a fixed CO2 system to fight an engine room fire，you must（）.A
secure the engine room ventilationB
secure the machinery in the engine roomC
evacuate all engine room personnelD
All of the above
考题
单选题Operation of the valve control release on a fixed CO2 system must immediately（）.A
release CO2 to the protected spaceB
secure all mechanical ventilation in the protected spaceC
sound the rig's general alarm signal for a fireD
sound an alarm in the ballast control room
考题
单选题When should a fire be ventilated?（）A
When attacking the fire directlyB
When using a steam smothering systemC
When using the fixed CO2 systemD
All of the above
考题
单选题An example of class "A" fire is a/an （）.A
electrical fire in the engine roomB
oil fire in the engine room bilgesC
oil fire involving a grade A petroleum productD
mattress fire in a stateroom
考题
单选题Which of the following actions should be taken by the engine room watch when the general alarm is sounded continuously?（）A
The fire pump should be startedB
The boiler rims should be securedC
The fixed CO2 system should be initiated into actionD
The engine room ventilation should be secured
考题
单选题If you must enter a room or compartment to combat the fire, keep an escape path （）.A
openB
closeC
opensD
closes
考题
单选题Your vessel is equipped with a fixed C02 system and a fire main system. In the event of an electrical fire in the engine room what is the correct procedure for fighting the fire?（）.A
Use the C02 system and evacuate the engine roomB
Use the fire main system and evacuate the engine roomC
Evacuate the engine room and use the C02 systemD
Evacuate the engine room and use the fire main system
考题
单选题While on watch in the engine room, you hear a continuous sounding of the general alarmWhich of the following actions should you take?（）A
Make an entry in the official logbookB
Open the master control valves on the fixed CO2 systemC
Start the fire pump and check discharge pressureD
Secure auxiliary condenser overboard discharge
考题
单选题Why is it necessary to warn engine room personnel before activating the fixed CO2 system?（）A
To make them aware there is a fireB
To let them know they should leave the engine roomC
To prevent possible injury from frostbiteD
To make them aware that ventilation will automatically stop
考题
单选题In order to release CO2 to the machinery spaces from a fixed fire extinguishing system, you must（）.A
actuate an alarm and open the engine room control valveB
actuate an alarm and open the engine room CO2 releasing valveC
open the engine room control valve and shut off engine room ventilation fansD
open the engine room control valve and then the CO2 releasing valve
考题
单选题Fixed CO2 systems would not be used on crew’s quarters or（）.A
the paint lockerB
spaces open to the atmosphereC
cargo holdsD
the engine room
考题
单选题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 startedB
Main engines should be securedC
The fire pump should be startedD
The fixed CO2 system should be activated
考题
单选题If a small fire initially breaks out in the engine room bilges, in which of the following sequences should the fire extinguishing agents or systems be used?（）A
Fixed CO2,semi-portable CO2, then hand portable CO2B
Semi-portable CO2, fixedCO2, then hand portable CO2C
Hand portable, semi-portable CO2, then as a last resort the fixed CO2 systemD
Hand portable, fixed CO2, then as a last resort the semi-portable CO2
考题
单选题Which of the following precautions must be taken if an electric immersion heater is used to keep the coolant in a diesel engine warm during the time the engine is secured?（）A
The coolant temperature must be maintained at 180℃B
The thermostatic bypass valves must be manually opened before the engine is startedC
The pressure cap must be removed while the engine is securedD
Electrical power to the heater must be secured before the cooling system is drained
考题
单选题After extinguishing a paint locker fire using the fixed CO2 system，the next action is to have the space（）.A
opened and burned material removedB
left closed with vents off until all boundaries are coolC
checked for oxygen contentD
doused with water to prevent reflash
考题
单选题Your vessel is equipped with a fixed CO2 system and a fire main system. In the event of an electrical fire in the engine room what is the correct procedure for fighting the fire?（）A
Use the CO2 system and evacuate the engine roomB
Use the fire main system and evacuate the engine roomC
Evacuate the engine room and use the CO2 systemD
Evacuate the engine room and use the fire main system
考题
单选题Why should you wear a self-contained breathing apparatus before entering the engine room after the fixed CO2 system has been discharged to combat a major fire?（）A
Because carbon dioxide dilutes the oxygen concentration in the atmosphere and may cause asphyxiationB
Because carbon dioxide breaks down in a fire into carbon monoxide which may cause blood poisoning in the person breathing this gasC
Because carbon dioxide is a colorless and odorless gas that becomes highly toxic in the presence of high temperatures and will quickly incapacitate a person exposed to this gasD
This action is unnecessary as carbon dioxide is not poisonous nor toxic but is a relatively harmless gas
考题
单选题The supply of carbon dioxide used in the fixed extinguishing system aboard a cargo vessel MUST be at least sufficient for（）.A
all the spaces of a vesselB
all cargo spacesC
the engine room and largest cargo spaceD
the space requiring the largest amount
考题
单选题You are ordering ships’ stores that are NOT consumer commodities. Which statement is TRUE?（）A
All flammable liquids must be stowed in the paint locker or specially constructed integral tanksB
The label of a hazardous ships' store must include instructions for safe stowageC
Replacement CO2 cylinders for the fixed fire fighting system must have been tested within 8 years of receiptD
Cartridges for the line throwing appliance must be stored in the portable magazine chest after receipt
考题
单选题Before using a fixed C02 system to fight an engine room fire,you must（）.A
secure the engine room ventilationB
secure the machinery in the engine roomC
evacuate all engine room personnelD
ALL of the above
考题
单选题While on watch in the engine room, you hear a continuous sounding of the general alarmWhich of the following actions should you take FIRST?（）A
Secure the burners then proceed to your assigned boat stationB
Start the fire pump and establish flow to the fire mainC
Open the guardian valve and standby to maneuverD
Open the master control valves on the fixed CO2 system
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