Ocean thermal energy taps:

energy stored by waves in the ocean

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temperature difference at different levels in the ocean

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pressure difference at different levels in the ocean

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tides arising out in the ocean

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Solution

The correct option is B
temperature difference at different levels in the ocean

The difference in temperature of water at the surface and at a certain depth is used to harness ocean thermal energy. In this process, the hot water from the surface is used to heat liquid ammonia, which is used to turn turbines. The cold water is used to condense the vapours to reobtain the liquid ammonia.

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Similar questions

Question 7
Ocean thermal energy is due to the

(a) energy stored by waves in the ocean
(b) temperature difference at different levels in the ocean
(c) pressure difference at different levels in the ocean
(d) tides arising out in the ocean

Q. Offshore, in the deep ocean the difference in tides is usually less than:

Q. Ocean thermal energy is a useful source of energy when the temperature difference between surface and depth of 2km is:

Q. A certain form of energy is available due to the difference in the temperature of water at the surface of the ocean and its deeper levels.

(a) Name the form of energy.
(b) Is this energy ultimately derived from the sun or not?
(c) Explain how this form of energy can be converted into electricity.
(d) What is the minimum temperature difference in water at the surface of ocean and its deeper level which is required to operate power plants based on this energy?

What is the minimum temperature difference required between the water at surface and 2 km depth to efficiently operate ocean thermal energy conversion plants?

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