Question

1. _____________ energy is obtained from the sea.
a)Tidal b)Wave c) Ocean thermal d) Geo thermal
2. Which of the following is not an example of a bio-mass energy source?
a)Wood b) Gobar gas c) Nuclear energy d)Coal
3. The OTEC can operate if the temperature difference between the water at the surface and at a
depth of 2km is_____________.
a)220K b) 243K c)293K d) 200K
4. The fission of a Uranium atom produces _________ times more energy than the combustion of
an atom of carbon from coal.
a) 10 million b) 1 million c)10 billion d) 50 billion

5. A typical solar cell can generate electricity of about__________
a)14watt b) 0.14 watt c) 7 watt d)0.7 watt
6. Uncontrolled nuclear chain reaction is the basis of _________________.
a) Nuclear reactor b)atom bomb c)hydrogen bomb d)none of these

Answer 1

Answer:

1) Tidal

2)Nuclear Energy

3)293K or more

4)1 Million

5)7 watt

6)atom bomb

Explanation: