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Assertion : Wood is an excellent fuel. ...

Assertion : Wood is an excellent fuel.
Reason:The average calorific value of seasoned wood is half to coal.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

Text Solution

Verified by Experts

The correct Answer is:
B
Wood is an excellent fuel since 99% of the over dried wood is combustible, leaving behind about 1%. The average calorific value of seasoned wood is around 4600 calories/kg, two kilograms of which yield approximately the same heating value as produced by one kilogram of good coal.
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