Advertisements
Advertisements
Question
A good fuel is one which possesses:
(a) high calorific value and low ignition temperature
(b) high calorific value and high ignition temperature
(c) high calorific value and moderate ignition temperature
(d) low calorific value and moderate ignition temperature
Solution
high calorific value and moderate ignition temperature
A good fuel should have a high calorific value so that it can give us more heat per unit mass. It should also have a moderate ignition temperature.
APPEARS IN
RELATED QUESTIONS
What is the difference between a renewable and a non-renewable source of energy? Explain with examples.
Name two sources of energy which you consider to be non-renewable. Give reason for your choice.
Name any four fractions obtained from petroleum which are used as fuels.
What are the two ways in which cow-dung can be used as a fuel? Which of them is better and why?
Which of the following is not an example of a biomass energy source?
(a) wood
(b) biogas
(c) atomic energy
(d) cow-dung
The fossil fuel whose known reserves in the earth are expected to last for the minimum period is:
(a) coal
(b) uranium
(c) petroleum
(d) natural gas
Fill in the blank
_______is the coal with the highest percentage of coal.
Choose the correct answer.
The coal that has the highest percentage of carbon is
Why is there a need for harnessing non-conventional sources of energy? How can energy be harnessed from the sea in different ways?
Various materials which are obtained from nature are called natural resources. Which of the following is not a natural resource?
