PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Give reasons.
(a). Water is not used to control fires involving electrical equipment.
(b). LPG is a better domestic fuel than wood.
(c). Paper by itself catches fire easily whereas a piece of paper wrapped around an aluminium pipe does not.
 
(a). Water is a conductor of electricity, so it can efficiently and cause danger of electric shocks or short circuits. Therefore, water cannot control the fire involving electrical equipment.
 
(b). LPG, a cleaner fuel than Wood, doesn't release smoke and other pollutants. On the other hand, Wood emits a lot of smoke and fumes, polluting the atmosphere, causing pollution and leading to . Hence, LPG is a better domestic fuel than Wood.
 
(c). Paper by itself catches fire quickly because it has a , but when wrapped around an aluminium pipe, paper's ignition temperature isn't attained. This is due to aluminium metal absorbing the heat supplied to paper. Hence, it does not catch fire easily.