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Answer to Question #52280 in Other Physics for vi

Question #52280
An inexpensive fire extinguisher commonly found in most secondary school laboratories in Nigeria is -----------------
sand
detergent
carbon dioxide
carbon tetrachloride
16 Three appliances draw current as follows: 2A, 5A and 10A. If they were all plugged into the same adaptor, what would the maximum current in the adaptor be?
2 A
5 A
10 A
17 A
17 One of these is the most appropriate application of a fire extinguisher
water for class A fire
carbon tetrachloride for class C fire
foam for class D fire
carbon dioxide for class D fire
18 Which of the following may not form part of a modern fire alarm system?
a smoke detection system
a thermal expansion detection system a
a radiation detection system
a heat producing system
19 In the event of a fire outbreak the first thing anybody should do is
call the fire fighters
raise an alarm
look for escape routes
look for the sand bucket
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