Question

2. Fill in the blanks
a. The amount of heat energy produced on completely burning ___________ of fuel is called the calorific value
b. The combustion in which no external heat is given is known as _______________
c. Hydrogen being a highly inflammable gas and ___________being a supporter of combustion.
d. Fuel must be heated to its _________before it starts burning.
e. Fire produced by oil cannot be controlled by_________.

Answer 1

Answer:

a. The amount of heat energy produced on completely burning of 1 kg of fuel is called the calorific value

b. The combustion in which no external heat is given is known as spontaneous combustion.

c. Hydrogen being a highly inflammable gas and oxygen being a supporter of combustion.

d. Fuel must be heated to its ignition temperature before it starts burning.

e. Fire produced by oil cannot be controlled by water

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