单选题A fire can be extinguished by removing （）.A the heatB the fuelC the oxygenD any of the above

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单选题

A fire can be extinguished by removing （）.

the heat

the fuel

the oxygen

any of the above

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相似问题和答案

第1题：

Oil fires are best extinguished by ______.

A.cutting off the supply of oxygen

B.removing the fuel

C.cooling below the ignition temperature

D.spraying with water

正确答案：A
灭油火的最好灭火器是切断氧气供应。

第2题：

The following actions can be taken to remove a fileset EXCEPT.()

A.Removing a fileset update leaving the base fileset

B.Removing a base fileset in the BROKEN state

C.Removing a base fileset in the COMMITTED state and all fileset updates in the APPLIED stat

D.Removing a base fileset in the COMMITTED state and all fileset updates in the COMMITTED state

参考答案：A

第3题：

发生火情时，客人们能用电梯吗?

A.Can guests use the stairs when a fire appears?

B.Can guests use the elevators when a fire presents?

C.Can guests use the lifts when a fire occurs?

D.Can guests use the ladders when a fire breaks up?

正确答案：C

第4题：

Except in rare cases, it is impossible to extinguish a shipboard fire by ______.

A.removing the heat

B.removing the oxygen

C.removing the fuel

D.interrupting the chain reaction

正确答案：C
除极少数案例外，船上不可能通过移开燃油来灭火。（书内解释：船火一般不因热源被移走而熄灭）

第5题：

A fire of escaping liquefied flammable gas is best extinguished by ______.

A.cooling the gas below the ignition point

B.cutting off the supply of oxygen

C.stopping the flow of gas

D.interrupting the chain reaction

正确答案：C
液化气体泄漏着火，最有效的扑救方法是断开气源。

第6题：

A stack protocol can be used for(69).

A．job scheduler in Operation System

B．operation of arithmetic expressions

C．removing the latest element inserted

D．removing the earliest element inserted

正确答案：C
解析：四个选项分别是操作系统的工作调度、算术表达式计算、移出最后插入的元素和移出最先插入的元素。注意到堆栈是具有后进先出协议的数据结构，因此本题选C。

第7题：

The ventilation system of your ship has fire dampers restrained by fusible links. Which statement is TRUE?

A.Fusible links must be replaced if a damper is activated

B.Fusible links are tested by applying a source of heat to them

C.Fusible links must be replaced at every inspection for certification

D.A fusible link will automatically open after a fire is extinguished and reset the damper

正确答案：A

第8题：

He can't just hire and fire people______ , can he?

A、in will

B、at will

C、with a will

D、on will

参考答案：A

第9题：

A galley grease fire on the stove may be extinguished using______．

A.water

B.foam

C.the range hood extinguishing system

D.fire dampers

正确答案：C
发生在炉上的厨房油火可使用有作用距离的灭火系统扑灭。

第10题：

Foam extinguishes a fire by ______.

A.shutting off the air supply

B.cooling the fuel to below ignition temperature

C.dispersing the fuel

D.removing the source of ignition

正确答案：A
泡沫灭火通过切断空气供给。

A fire can be extinguished by removing （）.

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