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LAKHMIR SINGH & MANJIT KAUR-COMBUSTION AND FLAME-EXERCISES
- State any four characteristics of an ideal fuel (or good fuel).
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- Define the calorific value of a fuel.
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- "The calorific value of LPG is 55000 kj/kg". What does it mean ?
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- Can you burn a piece of wood by bringing a lighted matchstick near it ...
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- Why do you have to use paper or kerosene oil to start fire in wood ar ...
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- What is meant by rapid combustion ?
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- Give one example of rapid combustion.
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- What is meant by explosive combustion (or explosion) ?
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- Give one example of explosive combustion (or explosion)
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- How will you show that air is necessary for combustion ?
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- Can the process fo rusting be called combustion ? Give reason for your...
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- Why are fires produced by burning oil not extinguished by pouring wate...
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- Explain why, fire caused by electricity should not be extinguished by ...
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- How is the fire produced by burning oil (or petrol) extinguished ?
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- How is the fire caused by electricity extinguished ?
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- A durm full of kerosene catches fire. What is the simplest way to put ...
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- What is the first things you should do if a fire breaks out in your ho...
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- What does a Fire Brigade do when it arrives at a place where a buildin...
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- Describe one method of putting out a fire caused by burning wood or pa...
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- Explain why , we are advised not to sleep in a room having closed door...
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