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प्रश्न
Fill in the following blank with a suitable word:
The amount of heat produce by burning a unit mass of a fuel completely is known as its ............ value.
उत्तर
The amount of heat produced by burning a unit mass of a fuel completely is known as its 'calorific' value
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संबंधित प्रश्न
Name two sources of energy which you consider to be non-renewable. Give reason for your choice.
Which of the following fuels has the highest calorific value?
(a) natural gas
(b) methane gas
(c) hydrogen gas
(d) biogas
What is the function of anaerobic micro-organisms such as anaerobic bacteria in a biogas plant?
Fill in the following blank with suitable word:
Tidal waves build up and recede ........... a day.
Suggest a safe and efficient method for the disposal of biowastes and sewage materials. How is this method advantageous to us?
The constituent of biogas which makes it an excellent fuel is:
(a) butane
(b) methane
(c) propane
(d) ethane
Can you tell?
Why should we save energy?
The major problem in harnessing nuclear energy is how to ______.
What is non-renewable resources?
Write True/False against the following statement.
Oxygen in air is an exhaustible natural resource.
