网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
A fire involving aluminum powder would be a class （）.
A
A fire
B
B fire
C
C fire
D
D fire
参考答案
参考解析
解析：
暂无解析
更多 “单选题A fire involving aluminum powder would be a class （）.A A fireB B fireC C fireD D fire” 相关考题
考题
The class of fire on which a blanketing effect is essential to extinguish the fire isA.Class 'A'B.Class 'B'C.Class 'C'D.Class 'D'
考题
A fire in a pile of dunnage would be classified as a _____.A.class AB.class BC.class CD.class D
考题
What can be extracted from fine-powder fly ash?A. Aluminum, silicon, and magnetic.B. Additive.C. Paving material.D. Cement.
考题
A fire involving trash and paper waste would be classified as a ______.A.class AB.class BC.class CD.class D
考题
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
考题
Fire in the cabins. Close all fire doors and use the （）powder extinguisher.A、dryB、wetC、foamD、portable
考题
Close all fire doors and use the （）（干粉灭火器）.A、dry powder extinguisherB、foam extinguisherC、CO2 extinguisherD、portable extinguisher
考题
单选题A class "B" fire would most likely occur in the （）.A
main switchboardB
engine room bilgeC
breathing compartmentD
electric fresh water transfer pump
考题
单选题Foam-type portable fire extinguishers are more usefull in combating fires involving（）.A
solid materials such as wood or bales of fiberB
inflammable liquidsC
electrical equipmentD
metallic solids
考题
单选题Fire protection regulations for towing vessels allow all of these types of fuel piping，EXCEPT（）.A
steelB
aluminum in an aluminum-hulled vesselC
schedule 80 fire resistant plastic pipeD
nickel-copper，copper-nickel or annealed copper
考题
单选题For which of the listed classes of fire combinations would carbon dioxide be most suitable as the extinguishing agent （）.A
Class A and class BB
Class B and class CC
Class A and class CD
Class C, class D, and class E
考题
单选题Which of the listed classes of fire is considered as one involving electrical equipment?（）A
Class AB
Class BC
Class CD
Class D
考题
单选题Before attempting to put out a class “C” fire involving an electric-driven centrifugal pump, you should FIRST （）.A
insulate your shoesB
ground the fire hoseC
secure its power supplyD
start the fire pump
考题
单选题A fire in a pile of linen is considered to be a class （）.A
A fireB
B fireC
C fireD
D fire
考题
单选题A burning AC motor would be considered what class of fire?（）A
Class AB
Class BC
Class CD
Class D
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On a class B fire，which portable fire extinguisher would be the LEAST desirable?（）A
Carbon dioxideB
Water (stored pressure)C
Dry chemicalD
Foam
考题
单选题A fire involving trash and paper waste would be classified as a （）.A
class AB
class BC
class CD
class D
考题
单选题If ignited, which of the listed materials would be a class "B" fire?（）A
MagnesiumB
PaperC
WoodD
Diesel Oil
考题
单选题Class C fires are best extinguished by （）.A
foam extinguishersB
water spray equipmentC
dry powder extinguishersD
soda-acid extinguishers
考题
单选题关闭所有防火门并使用干粉灭火器。（）A
Close all fire doors and use the dry powder extinguisher.B
Close all fire doors and use the foam extinguisher.C
Close all fire doors and use the CO2 extinguisher.D
Close all fire rooms and use the dry powder extinguisher.
考题
单选题The best method of extinguishing a class A fire is to （）.A
remove oxygen from the areaB
smother fire with foamC
smother fire with CO2D
cool fuel below ignition temperature
考题
单选题On a tank vessel, which of the following substances would be burning in a class "B" fire?（）A
OilB
WoodC
RagsD
Electrical wiring
考题
单选题The class of fire on which a blanketing effect is essential to extinguish the fire is （）.A
class AB
class BC
class CD
class D
考题
单选题A vessel is constructed with a steel hull and an aluminum superstructure. Which statement is TRUE?（）A
The aluminum will provide greater resistance to the spread of fire by conductionB
The aluminum structure is usually attached to a steel coaming by a method that insulates the two metalsC
If the superstructure is stressed，an aluminum structure requires additional expansion joints to prevent fractureD
The steel at the area of the aluminum-to-steel connection must be closely checked for galvanic corrosion
热门标签
最新试卷
