1) What is this triangle represent? a) Three conditions to stop combustion. b) Three conditions needed for combustion. c) Triangle of fire d) Triangle of extinguisher 2) Choose the following materials which represent solid as fuel. a) b) c) d) 3) Choose the suitable fire which can used water extinguisher to ceased the fire. a) b) c) d) e) 4) What is fire blanket? a) A special cloth to stop any types of fire. b) A special cloth made of fire resistant c) A special cloth which able to absorb water to cool the heat. d) A special cloth used to cover flame. e) A special cloth with sand coating to stop air. 5) Water is very useful to stop fire because a) It is very good at cutting off air supply b) It is very good because it able to wet the surface c) It is very good at absorbing heat d) It is good because its a fire resistant. e) It is good because it molecule. 6) which situation is suitable for us to used fire extinguisher? a) b) small open fire c) small fire in the house d) e) 7) Foam extinguisher is suitable for the following except a) b) c) d) e) 8) which statement explain the best about covering in extinguishing fire? a) Spraying water b) spraying foam c) covering the surface of oil d) e) 9) Why after the fire extinguished, why does the firearms still cutting off the wooden planks? a) To cut off the contact of fuels. b) To reduce burning materials c) To reduce heat d) To stop oxygen supply e) To cool the surface area 10) The following are safety measures to prevent the occurrence of fire except a) b) c) d) e)

Combustion

印刷
埋め込み

リーダーボード

表示スタイル

オプション

テンプレートを切り替える

自動保存: を復元しますか?