海船船员考试
单选题When electrical equipment is involved in a fire，the stream of dry chemicals should be（）.A aimed at the source of the flamesB fogged above the equipmentC shot off a flat surface onto the flamesD used to shield against electrical shock
题目
aimed at the source of the flames
fogged above the equipment
shot off a flat surface onto the flames
used to shield against electrical shock
相似问题和答案
第1题：
Under what conditions would the use of a Class C fire extinguisher be preferable to a Class A extinguisher? C类火灾灭火器比A类灭火器更适用于以下哪一种情况？（）
- A、A .When the fire involves paper products当火灾和纸制品有关时
- B、B .When the fire is caused by flammable products当火灾由易燃物造成
- C、C .When the fire involves electrical equipment当火灾和电器设备有关时
- D、D .When the fire is in an enclosed area当火灾发生在一个封闭空间内
正确答案:C
第2题：
电气设备（electrical equipment）
正确答案: 用于发电、变电、输电、配电、用电的设备。例如旋转电机、变压器、防护电器、测量仪表、开关电器、敷线设备、用电器具等。
第3题：
When will the fire department come to conduct a fire prevention inspection in our company?
A. Next month. I’ve checked hydrants and fire-extinguishers on each floor
B.Next day. The manager will check hydrants and other equipment in the building.
C.Next week. But hydrants and fire extinguishers on each floor has already been checked
D.The day before yesterday. I had already checked hydrants and fire extinguishers on each floor.
第4题：
using a 2-1/2 inch hose
there is an outlet for the smoke and heat
the fire is totally contained by the ship's structure
at least two fog streams can be used
第5题：
Fires in electrical equipment
Flammable oils and greases
Class A fires in ordinary combustibles
Materials containing their own oxygen
第6题：
CO2 and Halon extinguishers are used for electrical fire, as well as （）fire.
- A、common
- B、oil
- C、electrical
- D、chemical
正确答案:B
第7题：
Deep-fat cooking equipment shall be fitted with the following:（）
- A、An automatic or manual fixed extinguishing system tested to an appropriate standardacceptable to the Organization
- B、Controls for manual operation of the fire-extinguishing system which are clearlylabeled for ready use by the crew
- C、Arrangements for automatically shutting off the electrical power upon activation of thefire-extinguishing system
- D、an alarm for indicating operation of the fire-extinguishing system in the galley wherethe equipment is installed
正确答案:A,B,C,D
第8题：
Which statement concerning the application of dry chemical powder is FALSE ________．
A.At temperatures of less than 32℉，the extinguisher must be recharged more often
B.When possible，the fire should be attacked from windward
C.The stream should be directed at the base of the fire
D.Directing the stream into burning flammable liquid may cause splashing
第9题：
flush water over any burned area of the patient
apply ointment to the burned areas on the patient
get assistance to shut down electrical power in the area
remove the patient from the vicinity of the live electrical equipment or wiring
第10题：
Class A
Class B
Class C
Class D