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MCQs

Total Questions : 207 | Page 6 of 21 pages
Question 51. Which of the following is an example of solar distillation?
  1.    Natural water cycle
  2.    Fractional distillation
  3.    Reverse osmosis
  4.    Osmosis
 Discuss Question
Answer: Option A. -> Natural water cycle
Answer: (a).Natural water cycle
Question 52. What are the two categories of solar still?
  1.    Active and deactivate
  2.    Active and passive
  3.    Box and cone
  4.    Passive and pit
 Discuss Question
Answer: Option B. -> Active and passive
Answer: (b).Active and passive
Question 53. What do the two categories of solar still namely, active and passive depict?
  1.    The method of evaporation
  2.    The method of condensation
  3.    The method of acquiring energy to drive evaporation
  4.    The method of collecting evaporated water
 Discuss Question
Answer: Option C. -> The method of acquiring energy to drive evaporation
Answer: (c).The method of acquiring energy to drive evaporation
Question 54. What is an active solar still?
  1.    A solar still that solely relies on sun to distill water
  2.    A solar still that relies only on sun and wind
  3.    A solar sill that automatically gets activated when sun shines on it
  4.    A solar still that uses additional heat sources apart from sun
 Discuss Question
Answer: Option D. -> A solar still that uses additional heat sources apart from sun
Answer: (d).A solar still that uses additional heat sources apart from sun
Question 55. Which of the following best describes the process of solar distillation?
  1.    Influent → solar distillation system → salty solute remains → evaporation of volatile solvents as effluents
  2.    Influent → evaporation of volatile solvents as effluents → solar distillation system → salty solute remains
  3.    Influent → solar distillation system → evaporation of volatile solvents as effluents → salty solute remains
  4.    Solar distillation system → influent → evaporation of volatile solvents as effluents → salty solute remains
 Discuss Question
Answer: Option D. -> Solar distillation system → influent → evaporation of volatile solvents as effluents → salty solute remains
Answer: (d).Solar distillation system → influent → evaporation of volatile solvents as effluents → salty solute remains
Question 56. Which of the following is/are examples of heat engines?
  1.    Fuel cell vehicles
  2.    Fuel cell energy power plants
  3.    Photovoltaics and concentrating mirrors
  4.    Rankine cycle and Brayton cycle
 Discuss Question
Answer: Option D. -> Rankine cycle and Brayton cycle
Answer: (d).Rankine cycle and Brayton cycle
Question 57. Which of the following best describes the working of central receiver thermal power system?
  1.    Sunlight → heliostats absorb solar flux → central receiver → turbine system → electricity
  2.    Sunlight → heliostats reflect solar flux → central receiver → turbine system → electricity
  3.    Heliostats reflect solar flux → sunlight → turbine system → central receiver → electricity
  4.    Heliostats reflect solar flux → sunlight → central receiver → turbine system → electricity
 Discuss Question
Answer: Option B. -> Sunlight → heliostats reflect solar flux → central receiver → turbine system → electricity
Answer: (b).Sunlight → heliostats reflect solar flux → central receiver → turbine system → electricity
Question 58. Which of the following is a popular solar thermal power system?
  1.    Central receiver thermal electric power system
  2.    Photovoltaics
  3.    Concentrating mirrors
  4.    Solar reflectors
 Discuss Question
Answer: Option A. -> Central receiver thermal electric power system
Answer: (a).Central receiver thermal electric power system
Question 59. What is the operating temperature of turbines in a central receiver thermal power system?
  1.    10 – 100° C
  2.    5000° C
  3.    500 – 800° C
  4.    200 – 500° C
 Discuss Question
Answer: Option C. -> 500 – 800° C
Answer: (c).500 – 800° C
Question 60. Which of the following is a line focus collector used in a distributed power system?
  1.    Parabolic mirrors
  2.    Convex mirrors
  3.    Concave lenses
  4.    Linear fresnel reflector
 Discuss Question
Answer: Option D. -> Linear fresnel reflector
Answer: (d).Linear fresnel reflector

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