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LAKHMIR SINGH & MANJIT KAUR-COMBUSTION AND FLAME-EXERCISES
- Which is the best fire extinguisher for fires involving electrical and...
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- Name one substance which undergoes spontaneous combustion (or burns in...
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- Name the unit in which the calorific valu of a fuel is expressed.
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- Which of the following fuels has the lowest calorific value ? Diesel...
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- Which of the following fuels has the highest calorific value ? Keros...
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- Name the term which is used to express the efficiency of a fuel.
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- Name one solid, one liquid and one gas which burn by producing a flame...
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- Which of the following does not produce a flame on burning ? Camphor...
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- Name one fuel which burns without producing a flame.
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- How many zones are there in a flame ?
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- Which zone of a candle flame is the hottest ? ·
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- In a candle flame, what is the colour of : innermost zone ?
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- In a candle flame, what is the colour of : middle zone ?
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- In a candle flame, what is the colour of : outer zone ?
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- Name any harmful product released by the burning of fuels.
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- Name the very poisonous gas produced by the incomplete combustion of f...
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- Name the fuel which is gradually replacing petrol and dissel in automo...
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- Name two substances having low ignition temperatures and two having hi...
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- Fill in the following blanks with suitable words : A fuel must be he...
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- Fill in the following blanks with suitable words : The most common ...
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