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MCQs

Total Questions : 120 | Page 10 of 12 pages
Question 91. Which of the following can be used with highly dynamic force?
  1.    Piezo-electric load cell
  2.    Strain gauge load cell
  3.    All of the mentioned
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> Piezo-electric load cell
Answer: (a).Piezo-electric load cell
Question 92. Which of the following is suitable for geomechanical measurement?
  1.    Vibrating wire load cell
  2.    Strain gauge load cell
  3.    Piezo electric load cell
  4.    All of the mentioned
 Discuss Question
Answer: Option A. -> Vibrating wire load cell
Answer: (a).Vibrating wire load cell
Question 93. Which of the following can be measured using a load cell?
  1.    Displacement
  2.    Stress
  3.    Strain
  4.    All of the mentioned
 Discuss Question
Answer: Option D. -> All of the mentioned
Answer: (d).All of the mentioned
Question 94. Which of the following may be a cause for ringing in pneumatic load cell?
  1.    High load
  2.    Low load
  3.    Abrupt load change
  4.    No load
 Discuss Question
Answer: Option C. -> Abrupt load change
Answer: (c).Abrupt load change
Question 95. Pressure can be directly measured from load cell.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 96. Input impedance can be _______________ on application of negative feedback.
  1.    Increased
  2.    Decreased
  3.    Halved
  4.    Maintained constant
 Discuss Question
Answer: Option A. -> Increased
Answer: (a).Increased
Question 97. In a feedback gain equation, what does the term β stands for?
  1.    Feedback gain
  2.    Forward gain
  3.    Open loop gain
  4.    Closed loop gain
 Discuss Question
Answer: Option A. -> Feedback gain
Answer: (a).Feedback gain
Question 98. In which of the following conditions, feedback gain (Af) become independent of forward gain (A)?
  1.    Aβ<<1
  2.    Aβ=1
  3.    Aβ>>1
  4.    Aβ=0
 Discuss Question
Answer: Option C. -> Aβ>>1
Answer: (c).Aβ>>1
Question 99. Input impedance of a system is 50 Ω, for the system to be negative feedback, which of the following can be its input impedance without feedback?
  1.    50 Ω
  2.    60 Ω
  3.    40 Ω
  4.    100 Ω
 Discuss Question
Answer: Option C. -> 40 Ω
Answer: (c).40 Ω
Question 100. For a negative feedback system, A=3 and β=2 and output impedance without feedback are 100Ω. What will be its total output impedance?
  1.    14.3 Ω
  2.    700 Ω
  3.    33.33 Ω
  4.    50 Ω
 Discuss Question
Answer: Option A. -> 14.3 Ω
Answer: (a).14.3 Ω

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