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MCQs

Total Questions : 175 | Page 8 of 18 pages
Question 71. What technologies are used in pyranometers?
  1.    Silicon semiconductor technology and routing technology
  2.    Thermopile technology and doping
  3.    Doping and routing technology
  4.    Silicon semiconductor technology and thermopile technology
 Discuss Question
Answer: Option D. -> Silicon semiconductor technology and thermopile technology
Answer: (d).Silicon semiconductor technology and thermopile technology
Question 72. Which of the following is generally used to measure direct solar radiation?
  1.    Pyranometer
  2.    Actinometer
  3.    Pyrheliometer
  4.    IC tester
 Discuss Question
Answer: Option C. -> Pyrheliometer
Answer: (c).Pyrheliometer
Question 73. __________ is a physical device that can be correlated to the number of photons detected.
  1.    Photodiode
  2.    LEDs
  3.    CFLs
  4.    CFCs
 Discuss Question
Answer: Option A. -> Photodiode
Answer: (a).Photodiode
Question 74. Light sensitivity is known as spectral response.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 75. Pyranometer has a non-directional response.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 76. What is mean solar time also known as?
  1.    Rotation time
  2.    Clock time
  3.    Lunar time
  4.    Sundial time
 Discuss Question
Answer: Option B. -> Clock time
Answer: (b).Clock time
Question 77. Why is does the solar time vary in September and December?
  1.    Because of earth-moon distance
  2.    Because of earth-moon gravitational force
  3.    Because of eccentricity of sun-moon orbit
  4.    Because of eccentricity of earth-sun orbit
 Discuss Question
Answer: Option D. -> Because of eccentricity of earth-sun orbit
Answer: (d).Because of eccentricity of earth-sun orbit
Question 78. Solar time is _____ clock time in December and ____ clock time in September.
  1.    same as, same as
  2.    less, more
  3.    more, less
  4.    more, same as
 Discuss Question
Answer: Option C. -> more, less
Answer: (c).more, less
Question 79. What does a clock running at a constant rate follow?
  1.    Moon
  2.    Imaginary mean sun
  3.    Actual sun
  4.    Real mean sun
 Discuss Question
Answer: Option B. -> Imaginary mean sun
Answer: (b).Imaginary mean sun
Question 80. The clock running at a constant (say, a pendulum clock) rate _____
  1.    cannot follow the sun
  2.    always follows the sun
  3.    follows the sun randomly
  4.    follows the moon
 Discuss Question
Answer: Option A. -> cannot follow the sun
Answer: (a).cannot follow the sun

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