Renewable Energy Engineering (2181910) MCQs

MCQs of Ocean Energy

Showing 41 to 50 out of 79 Questions
2 3 4 5 6 7
41.
In pitching type wave energy conversion machines
(a) wave strikes horizontally
(b) wave strike vertically
(c) wave moves the float up and down
(d) none of the above
Answer:

Option (b)

42.
The process of producing energy by utilizing heat trapped inside the earth surface is called
(a) hydrothermal energy
(b) geo-Thermal energy
(c) solar energy
(d) wave energy
Answer:

Option (b)

43.
How much is the average temperature at depth of 10 km of earth surface
(a) 200 Celcius
(b) 650 Celcius
(c) 900 Celcius
(d) 20 Celcius
Answer:

Option (c)

44.
What is a hot molten rock called?
(a) Lava
(b) Magma
(c) Igneous rocks
(d) Volcano
Answer:

Option (b)

45.
What does EGS stand for in geothermal energy?
(a) Engraved geothermal systems
(b) Enhanced geothermal system
(c) Exhaust gas system
(d) Engineered geo physical system
Answer:

Option (b)

46.
Earth’s outer layer is called as
(a) crust
(b) mantle
(c) outer core
(d) asthenosphere
Answer:

Option (a)

47.
Which kind of geothermal plant is the most common type?
(a) Dry steam
(b) Binary
(c) Flash
(d) Wet steam
Answer:

Option (c)

48.
How much is the efficiency of the geothermal plant?
(a) 28%
(b) 15%
(c) 42%
(d) 30%
Answer:

Option (b)

49.
The presence of non – condensable gases in geo - pressured water causes
(a) pollution problem
(b) corrosion problem
(c) flow problem
(d) all of the above
Answer:

Option (d)

50.
In geothermal power plants, wastewater is
(a) discharged back to earth
(b) discharged into the sea
(c) recirculated after cooling in cooling towers
(d) evaporated in ponds
Answer:

Option (a)

Showing 41 to 50 out of 79 Questions
2 3 4 5 6 7