Renewable Energy Engineering (2181910) MCQs

MCQs of Ocean Energy

Showing 51 to 60 out of 79 Questions
51.
Which of these is not a major direct energy conversion device?
(a) Magneto-hydrodynamic
(b) Thermionic
(c) Geothermal
(d) Fuel cell
Answer:

Option (c)

52.
Which of the following statement is not true for the geothermal energy system?
(a) It is a reliable and cheap source of energy
(b) It is available 24 hours per day
(c) It has no inherent storage feature, so extra storage facility is required
(d) The system is modular in nature
Answer:

Option (c)

53.
The temperature in the crust increases with depth rate of about
(a) 300 Celcius/km
(b) 10 Celcius/km
(c) 1 Celcius/km
(d) 30 Celcius/km
Answer:

Option (d)

54.
The temperature at the inner core of the earth is about
(a) 1000 Celcius
(b) 4000 Celcius
(c) 40000 Celcius
(d) 500 Celcius
Answer:

Option (b)

55.
In most hydrothermal fields, hot spots occur at the depth of about
(a) 10 km
(b) 10 m
(c) 2 to 3 km
(d) 30 km
Answer:

Option (c)

56.
Compared to a conventional steam plant, the temperature and pressure in the geothermal plant are
(a) comparable
(b) much higher
(c) higher
(d) lower
Answer:

Option (d)

57.
Which of the following plant runs on a binary cycle?
(a) Vapour dominated plant
(b) Liquid dominated high-temperature plant
(c) Liquid dominated low-temperature plant
(d) All of the above
Answer:

Option (c)

58.
Which among the following systems is used for water in high-temperature range?
(a) Vapor dominated systems
(b) Flashed steam system
(c) Liquid dominated total flow concept
(d) Petro thermal systems
Answer:

Option (b)

59.
Which geothermal systems are composed of hot dry rock (HDR) but no underground water?
(a) Hybrid geothermal Fossil system
(b) Flashed steam system
(c) Liquid dominated total flow concept
(d) Petro thermal systems
Answer:

Option (d)

60.
The solids present in steam and water in geothermal energy plant is removed by
(a) flocculation
(b) de-sanding Hydro clone
(c) centrifugal separator
(d) gravity setting
Answer:

Option (c)

Showing 51 to 60 out of 79 Questions