WorksheetsSources Of Energy
Total questions: 7
Worksheet time: 2mins
Name
Class
Date
1.
The substances which produce heat on burning in air are called fuels .
a)
False
b)
True
2.
Example of a Gas Feul.
a)
Coal
b)
Petroleum
c)
CNG
d)
Wood
3.
Calorific value of wood is
a)
40,000 kJ/kg
b)
20,000 kJ/kg
c)
30,000 kJ/kg
d)
50,000 kJ/kg
4.
Combustion of wood releases more Carbon dioxide than it's biodegradation (rotting)?
a)
True
b)
False
5.
The Major Coal mines In India are located in ?
(a)
6.
___________ contains 38% of Carbon and also is regarded as the lowest grade of coal.
a)
Bituminous
b)
Anthracite
c)
Lignite
d)
Peat
7.
Coal Tar is used in manufacturing perfumes ?
a)
False
b)
True
100 %
