Convection spreads a fire by ______.A.heated gases flowing through ventilation systemsB.the transfer of heat across an unobstructed spaceC.burning liquids flowing into another spaceD.transmitting the heat of a fire through the ship’s metal

题目

Convection spreads a fire by ______.

A.heated gases flowing through ventilation systems

B.the transfer of heat across an unobstructed space

C.burning liquids flowing into another space

D.transmitting the heat of a fire through the ship’s metal

相似考题

1.In a()boiler the hot gases from the furnace pass gases from the furnace pass water is on the outside.A.water-tubeB.fire-tubeC.exhaust gasD.composite

2.A fire in the galley ALWAYS poses the additional threat of ______.A.contaminating food with extinguishing agentB.spreading through the engineering spaceC.causing loss of stabilityD.a grease fire in the ventilation system

3.Fighting a fire in the galley poses the additional threat of ______.A.contaminating food with extinguishing agentB.spreading through the engineering spaceC.loss of stabilityD.a grease fire in the ventilation system

4.In a ______boiler the hot gases from the furnace pass through the tubes while the water is on the outside.A.water-tubeB.fire-tubeC.exhaust gasD.Composite

更多“Convection spreads a fire by ______.A.heated gases flowing through ventilation systemsB.th ”相关问题

第1题：

单选题
The spreading of fire as a result of heat being carried through a vessels ventilation system, is an example of heat transfer by （）.
A
conduction
B
convection
C
radiation
D
windage

正确答案： D
解析：暂无解析
第2题：

单选题
Fighting a fire in the galley poses the additional threat of（）.
A
contaminating food with extinguishing agent
B
spreading through the engineering space
C
loss of stability
D
a grease fire in the ventilation system

正确答案： C
解析：暂无解析
第3题：

单选题
A fire in the galley ALWAYS poses the additional threat of（）.
A
contaminating food with extinguishing agent
B
spreading through the engineering space
C
causing loss of stability
D
a grease fire in the ventilation system

正确答案： D
解析：暂无解析
第4题：

单选题
Convection spreads a fire as a result of （）.
A
transmitting the heat of a fire through the ships metal
B
burning liquids flowing into another space
C
heated gases flowing through ventilation systems
D
the transfer of heat across an unobstructed space

正确答案： B
解析：暂无解析
第5题：

单选题
Ventilation systems connected to a compartment in which a fire is burning are normally closed to prevent the rapid spread of the fire by（）.
A
convection
B
conduction
C
radiation
D
spontaneous combustion

正确答案： B
解析：暂无解析
第6题：

单选题
Combustible material stored in a compartment adjacent to a compartment where there is a fire may be ignitedThis ignition can occur by （）.
A
heat convection through the adjacent bulkheads
B
combustion gases carried through the ventilation system
C
direct convection of the heat emitted by the adjacent fire
D
heat radiated from the dock or bulkhead by the adjacent fire

正确答案： B
解析：暂无解析
第7题：

单选题
A pumproom is suspected of accumulating gases after a ventilation machinery breakdown. Where should the combustible gas indicator case be placed when testing the pumproom atmosphere for combustible gases? （）
A
In the lower level of the pumproom
B
In the middle level of the pumproom
C
In the upper level of the pumproom
D
On the deck outside the pumproom

正确答案： B
解析：暂无解析
第8题：

单选题
Fins are installed on the fireside of water-tubes used in waste boiler to（）
A
decrease the velocity of gases flowing past the tubes
B
increase the rate of heat transfer
C
reduce accumulations carbon deposits
D
direct the flow of gases

正确答案： D
解析：暂无解析
第9题：

单选题
Which of the lists forms of heat transfer, if any, is illustrated by the flow of combustion gases through a boiler?（）
A
Natural convection only
B
Forced convection only
C
Both natural convection and forced convection
D
None

正确答案： C
解析：暂无解析
第10题：

单选题
When fighting an electrical fire, you should first （）.
A
stop ventilation to the area
B
stop the vessel
C
secure electricity to the circuit
D
apply CO₂to the fire

正确答案： D
解析：暂无解析
第11题：

单选题
Convection is the principal means （） temperature is equilibrated in liquids and gases.
A
in which
B
on which
C
by which
D
from which

正确答案： D
解析：暂无解析
第12题：

单选题
Radiation spreads a fire by（）.
A
transferring heat across an unobstructed space
B
heated gases flowing through ventilation systems
C
burning liquids flowing into another space
D
transmitting the heat of a fire through the ship's metal

正确答案： B
解析：暂无解析
第13题：

单选题
The spread of fire is NOT prevented by（）.
A
shutting off the oxygen supply
B
cooling surfaces adjacent to the fire
C
removing combustibles from the endangered area
D
removing smoke and toxic gases by ensuring adequate ventilation

正确答案： C
解析：暂无解析
第14题：

单选题
A fire in the galley always poses the additional threat of（）.
A
contaminating food with extinguishing agent
B
shutting all sources of air into the compartment
C
closing the sea chest
D
a grease fire in the ventilation system

正确答案： B
解析：暂无解析
第15题：

单选题
Convection spreads a fire by（）.
A
heated gases flowing through ventilation syetem
B
the transfer of heat across an unobstructed space
C
burning liquids flowing into another space
D
transmitting the heat of a fire through the ships metal

正确答案： C
解析：暂无解析
第16题：

单选题
A fire must be ventilated（）.
A
when using an indirect attack on the fire such as flooding with water
B
to prevent the gases of combustion from surrounding the firefighters
C
to minimize heat buildup in adjacent compartments
D
if compressed gas cylinders are stowed in the compartment on fire

正确答案： B
解析：暂无解析
第17题：

单选题
The blocking or absence of fire dampers can cause（）.
A
the accumulation of explosive gases
B
faster cooling of the fire
C
the fire to spread through the ventilation system
D
fixed foam systems to be ineffective

正确答案： B
解析：暂无解析
第18题：

单选题
Which of the following statements concerning fire-tube boilers is correct?（）
A
Combustion gases flow through the tubes
B
Flames impinge on the tubes
C
Combustion occurs in the tubes
D
Water flows through the tubes

正确答案： D
解析：暂无解析
第19题：

单选题
There is a fire in the crew’s quarters of your vessel. You should（）.
A
ventilate the quarters as much as possible
B
prepare to abandon ship
C
close all ventilation to the quarters if possible
D
attempt to put the fire out yourself before sounding the alarm

正确答案： C
解析：暂无解析
第20题：

单选题
It is necessary to secure the forced ventilation to a compartment where there is a fire to（）.
A
allow the exhaust fans to remove smoke
B
extinguish the fire by carbon monoxide smothering
C
prevent additional oxygen from reaching the fire
D
protect fire fighting personnel from smoke

正确答案： C
解析：暂无解析
第21题：

单选题
The blower type crankcase ventilation system （）
A
removes combustible gases in the crankcase
B
prevents the formation of combustible gases in the crankcase
C
cools lubricating oil
D
improves cold weather starting

正确答案： B
解析：暂无解析
第22题：

单选题
To prevent the spread of fire by convection you should （）.
A
remove combustibiles from direct exposure
B
cool the bulkhead around the fire
C
close all openings to the area
D
shut off electrical power

正确答案： A
解析：暂无解析
第23题：

单选题
Radiation can spread a fire by （）.
A
transmitting the heat of a fire through the ship s metal
B
burning liquids flowing into another space
C
heated gases flowing through ventilation systems
D
the transfer of heat across an unobstructed space

正确答案： B
解析：暂无解析

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Convection spreads a fire by ______.A.heated gases flowing through ventilation systemsB.the transfer of heat across an unobstructed spaceC.burning liquids flowing into another spaceD.transmitting the heat of a fire through the ship’s metal

题目

相似考题

更多“Convection spreads a fire by ______.A.heated gases flowing through ventilation systemsB.th ”相关问题

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