Advertisements
Advertisements
Question
Heat energy cannot be produced by friction.
Options
True
False
Solution
Heat energy cannot be produced by friction- False.
APPEARS IN
RELATED QUESTIONS
The fuel which is not used at thermal power plants is:
(a) coal
(b) uranium
(c) natural gas
(d) fuel oil
Which of the two causes serious air pollution and how?
Mention two limitations of wind energy for generating electricity.
The minimum speed of wind necessary for the satisfactory working of a wind generator to produce electricity is about:
(a) 15 km/h
(b) 25 km/h
(c) 35 km/h
(d) 45 km/h
A large coal-fired power station produces 2000 MW of electrical energy. A wind turbine with 33 m blades can produce 300 kW.
Why, in actual practice, this number of turbines could not replace the coal-fired power station?
Draw a schematic diagram of solar thermal electric energy generation.
The unit of energy is Joule.
______ is a measure of heat in a body.
Heat is measured in Joule.
Write the uses of heat energy and light energy.