Renewable Energy Engineering (2181910) MCQs

MCQs of Solar Energy

Showing 91 to 100 out of 114 Questions
91.
In Cylindrical Parabolic Concentrator, the concentration ratio is between
(a) 5 to 10
(b) 5 to 20
(c) 5 to 30
(d) 5 to 40
Answer:

Option (c)

92.
In Linear Fresnel Lens Collector, concentration ratio is between
(a) 10 to 30
(b) 10 to 35
(c) 10 to 40
(d) 10 to 45
Answer:

Option (a)

93.
Approximately how much amount of temperature achieved in Paraboloidal Dish Collector?
(a) 1000 °C
(b) 2000 °C
(c) 2500 °C
(d) 3000 °C
Answer:

Option (d)

94.
Hemispherical Bowl Mirror Concentrator requires
(a) two-axis tracking
(b) one-axis tracking
(c) three-axis tracking
(d) not required
Answer:

Option (a)

95.
In Central Tower Receiver concentration ratio is
(a) 1000
(b) 1500
(c) 3000
(d) 2000
Answer:

Option (c)

96.
When hot water is taken out from the hot water outlet, the same is replaced by cold water from cold water makeup tank fixed above the level of hot water tank this scheme is known as
(a) active system
(b) passive heating system
(c) neutral system
(d) none of the above
Answer:

Option (b)

97.
According to Indian climatic conditions, a solar water heater can be used for about
(a) 265 day in the year
(b) 285 day in the year
(c) 330 day in the year
(d) 300 day in the year
Answer:

Option (d)

98.
The life span of a solar water heater
(a) 6-8 years
(b) 5-9 years
(c) 10-12 years
(d) 10-20 years
Answer:

Option (c)

99.
Payback period of solar water heater
(a) 2-4 years
(b) 2-6 years
(c) 4-8 years
(d) 5-9 years
Answer:

Option (b)

100.
The common size of Box Type Solar Cooker is
(a) 40 cm × 40 cm × 20 cm 
(b) 60 cm × 60 cm × 20 cm 
(c) 60 cm × 40 cm × 20 cm 
(d) 40 cm × 40 cm × 10 cm 
Answer:

Option (b)

Showing 91 to 100 out of 114 Questions