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- 1. Multiple ChoiceWhich type of fire extinguisher should be used on a fire involving flammable liquids such as grease or oil?WaterCarbon DioxideDry ChemicalFoam
- 2. Multiple ChoiceWater is not used to control fires involving electrical appliances.FalseTrue
- 3. Multiple ChoiceWhich of the following fuel has highest calorific value?WoodcoalHydrogenpetrol
- 4. Multiple ChoiceWhat is produced when combustable substance is in the vapour state and burn strongly in the presence of of air?heatlightflamefumes
- 5. Multiple ChoiceThe three sides to the fire triangle are;Petrol, Spark, OxygenHeat, Fuel, OxygenHeat, Paper, AirMatch, Paper, Air
- 6. Multiple Choice
8.7: Combustion is when a __________ reacts with oxygen
petrol
fuel
fire triangle
carbon dioxide
- 7. Multiple Choice
Which poisonous gas is formed as a result of incomplete combustion?
nitrogen oxide
carbon monoxide
Carbon dioxide
coal gas
- 8. Multiple Choice
he picture below shows two cases in which a person is trying to burn the paper cup. In case 1, the cup has water in it and in case 2, it is empty and dry. Identify in which of the cases the paper will burn.
Case 1
case 2
Both case 1 and case 2
D. The paper doesn’t burn in both the cases.
- 9. Multiple Choice
Moderately hot zone in a candle flame
outer zone
middle zone
innermost zone
wax candle
- 10. Multiple Choice
Ideal fuel has ____________ calorific value
Zero
Low
Moderate
High
- 11. Open Ended
Name/ Section/ Roll No
- Answer choicesTagsAnswer choicesTags