A fire in electrical equipment should be extinguished by using（）. -题库考试答案搜索网

A fire in electrical equipment should be extinguished by using（）.

单选题

2022-01-03 07:11

A、salt water
B、foam
C、low-velocity fog
D、CO

查看答案

正确答案

D

试题解析

标签：燃烧与爆炸

感兴趣题目

The discharge side of every fire pump must be equipped with a（）.

If in doubt as to the true water level when a boiler is being oil-fired, you should （）.

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?（）

If a small electric motor is immersed in salt water it should be （）
(1) washed in fresh water
(2) dried in an oven

EXCEPT when suffering from a head or chest injury a patient in shock should be placed in which position?（）.

Each fire hydrant serving machinery spaces containing oil fired boilers，internal combustion machinery，or oil fuel units must be equipped with a（）.

What type of extinguisher should be used for an electric fire? ________

（），as the chemical extinguisher agent，should be used for an electric fire.

When fighting a fire with a portable dry chemical fire extinguisher，the stream should be directed（）.

Which portable fire extinguisher should be used on a class C fire on board a vessel?（）

A vessel is equipped with cross-connected deep tanks.In which situation should the crossconnection valve be closed?（）.

A foam-type portable fire extinguisher would be most useful in combating a fire in（）.

相关题目: When fighting an electrical fire, you should first （）.; When should a fire be ventilated?（）; 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?（）; 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?（）.; Before doing maintenance on electrical equipment, you should （）.; The type of extinguisher which should be used for an electricity fire is（）.; When possible，what should be the FIRST step in combating a fire on deck resulting from a cargo overflow or a leaking cargo line?（）; The defective place in the furnace should be （） with fire bricks.; A fire in an electrical generator is considered to be （）.; When a rescuer finds an electrical burn victim in the vicinity of live electrical equipment or wiring，his first step is to（）.; All electrical appliances aboard a vessel should be grounded to（）.; A fire in electrical equipment should be extinguished by using（）.; The fire of electrical equipment is classified as（）fire.; Electrical leads and insulation on a motor should be painted with（）.; A fire, occurring in the windings, of an overloaded electrical motor, is considered a （）.; To extinguish an electrical fire, you should use （）.; Lines or gear NOT in use should be（）.; To avoid scavenge fires （） the engine timing and equipment maintenance should be correctly carried out.; If a CO₂ fire extinguisher is not readily available, which of the listed fire extinguishers would be best suited to combat a small electrical fire in a switchboard?（）; When a vessel signals her distress by means of a gun or other explosive signal，the firing should be at intervals of approximately（）.

广告位招租WX:84302438

题库考试答案搜索网

免费的网站请分享给朋友吧