Instrumentation Transducers

SOPHISTICATED INSTRUMENTATION MCQs

Total Questions : 70

Page 1 of 7 pages
Question 1. Which of the following produce em radiation in ir region?
  1.    Body with negative temperature
  2.    Body with temperature less than 100°C
  3.    Body with temperature less than 600°C
  4.    Body with temperature less than 1000°C
 Discuss Question
Answer is Option C. -> Body with temperature less than 600°C
Answer: (c).Body with temperature less than 600°C
Question 2. At 100°C wavelength of radiation will be ______________
  1.    Less than 10um
  2.    Less than 100um
  3.    Less than 1000um
  4.    Less than 10nm
 Discuss Question
Answer is Option A. -> Less than 10um
Answer: (a).Less than 10um
Question 3. Energy of emitted radiation from a body increases with ______________
  1.    Increase in temperature
  2.    Decrease in temperature
  3.    No relation with temperature
  4.    Net energy cannot be changed
 Discuss Question
Answer is Option A. -> Increase in temperature
Answer: (a).Increase in temperature
Question 4. Wavelength of peak radiation is represented by _____________
  1.    28.91 * T
  2.    2891/T
  3.    189 * T
  4.    None of the mentioned
 Discuss Question
Answer is Option B. -> 2891/T
Answer: (b).2891/T
Question 5. Radiation thermometers are pyrometers.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer is Option A. -> True
Answer: (a).True
Question 6. Ozone layer is in earth layer ______________
  1.    Toposphere
  2.    Ionosphere
  3.    Stratosphere
  4.    Mesosphere
 Discuss Question
Answer is Option C. -> Stratosphere
Answer: (c).Stratosphere
Question 7. Ozone depletion is higher at _______________
  1.    Polar regions
  2.    Near polar regions
  3.    Non polar regions
  4.    None of the mentioned
 Discuss Question
Answer is Option A. -> Polar regions
Answer: (a).Polar regions
Question 8. Which of the following is not poisonous to humans?
  1.    Flue gases
  2.    Stack gases
  3.    HCl
  4.    None of the mentioned
 Discuss Question
Answer is Option D. -> None of the mentioned
Answer: (d).None of the mentioned
Question 9. CFC causes ozone layer depletion.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer is Option A. -> True
Answer: (a).True
Question 10. Toxic gases such as H₂S, nitrogen oxides causes ____________
  1.    Immediate harm to body
  2.    Slow harm to body
  3.    Not sure about speed of action
  4.    None of the mentioned
 Discuss Question
Answer is Option A. -> Immediate harm to body
Answer: (a).Immediate harm to body