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MCQs

Total Questions : 177 | Page 2 of 18 pages
Question 11. Commonly used electrical strain gauge is _______
  1.    open type
  2.    closed type
  3.    unbounded type
  4.    bonded type
 Discuss Question
Answer: Option D. -> bonded type
Answer: (d).bonded type
Question 12. Mechanical gauges measure the _______
  1.    change in resistance
  2.    change in length
  3.    change in area
  4.    change in inductance
 Discuss Question
Answer: Option B. -> change in length
Answer: (b).change in length
Question 13. Electrical strain gauges measure changes in _______
  1.    resistance, capacitance and inductance
  2.    resistance only
  3.    capacitance only
  4.    inductance only
 Discuss Question
Answer: Option A. -> resistance, capacitance and inductance
Answer: (a).resistance, capacitance and inductance
Question 14. Optical gauges make use of _______
  1.    pulleys
  2.    electricity
  3.    mirrors
  4.    rack and pinion
 Discuss Question
Answer: Option C. -> mirrors
Answer: (c).mirrors
Question 15. Tensile stress decreases the length.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 16. In a foil strain gauge, strain is detected through _______
  1.    a capacitance element
  2.    a resistance wire
  3.    a gold foil
  4.    a metal foil
 Discuss Question
Answer: Option D. -> a metal foil
Answer: (d).a metal foil
Question 17. Gauge factor in a strain gauge must be ________
  1.    high
  2.    low
  3.    medium
  4.    small
 Discuss Question
Answer: Option A. -> high
Answer: (a).high
Question 18. Strain gauges are used for _______
  1.    small scale measurements
  2.    dynamic measurements
  3.    static measurements
  4.    large scale measurements
 Discuss Question
Answer: Option B. -> dynamic measurements
Answer: (b).dynamic measurements
Question 19. Etched foil strain gauges are flexible.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 20. Resistance of the strain gauge must be _______
  1.    zero
  2.    small
  3.    large
  4.    medium
 Discuss Question
Answer: Option C. -> large
Answer: (c).large

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