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Ocean Energy(Renewable Energy ) Questions and Answers
Home
Topic
Renewable Energy
Ocean Energy
Question 1.
What is tidal power?
Energy from tides
Energy from water
Energy from moon
Energy from sun
Explanation:-
Answer: Option A. ->
Energy from tides
Answer:
(a).
Energy from tides
Question 2.
Which of the following categories does tidal power fall into?
Hydrothermal
Hydropower
Solar
Wind
Explanation:-
Answer: Option B. ->
Hydropower
Answer:
(b).
Hydropower
Question 3.
In terms of predictability, tidal energy _____ solar and wind.
is more predictable than
is less predictable than
has similar predictability like
cannot be predicted unlike
Explanation:-
Answer: Option A. ->
is more predictable than
Answer:
(a).
is more predictable than
Question 4.
What is the minimum height of tides required for harnessing tidal energy economically?
1 foot
5 feet
8 feet
10 feet
Explanation:-
Answer: Option D. ->
10 feet
Answer:
(d).
10 feet
Question 5.
What is/are the cause(s) of tides?
Gravitational pull of moon
Gravitational pull of moon and sun
Gravitational pull of sun and moon and rotation of earth
Gravitational pull of sun
Explanation:-
Answer: Option C. ->
Gravitational pull of sun and moon and rotation of earth
Answer:
(c).
Gravitational pull of sun and moon and rotation of earth
Question 6.
What type of working fluids do closed-cycle ocean thermal energy conversion (OTEC) systems use?
Low boiling point fluids at atmospheric pressure
High boiling point fluids at atmospheric pressure
Low boiling point fluids at 100 bar
High boiling point fluids at 100 bar
Explanation:-
Answer: Option A. ->
Low boiling point fluids at atmospheric pressure
Answer:
(a).
Low boiling point fluids at atmospheric pressure
Question 7.
The open-cycle OTEC uses working fluid.
True
False
May be True or False
Can't say
Explanation:-
Answer: Option B. ->
False
Answer:
(b).
False
Question 8.
What is the warm surface seawater pumped through in a closed-cycle ocean thermal energy conversion (OTEC) system?
Heat compressor
Heat exchanger
Fluid compressor
Turbine
Explanation:-
Answer: Option B. ->
Heat exchanger
Answer:
(b).
Heat exchanger
Question 9.
Which of the following organisations developed the “mini OTEC”?
CERN
NASA
ISRO
Natural Energy Laboratory
Explanation:-
Answer: Option D. ->
Natural Energy Laboratory
Answer:
(d).
Natural Energy Laboratory
Question 10.
How is the vapourised working fluid condensed in a closed-cycle ocean thermal energy conversion system?
Warm surface seawater
Fresh warm water
Cold water from deep ocean
Fresh cold water
Explanation:-
Answer: Option C. ->
Cold water from deep ocean
Answer:
(c).
Cold water from deep ocean
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