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MCQs

Total Questions : 124 | Page 10 of 13 pages
Question 91. The amplifier which has no drift is called as
  1.    Differential amplifier
  2.    DC amplifier
  3.    Single ended amplifier
  4.    Chopper amplifier
 Discuss Question
Answer: Option D. -> Chopper amplifier
Question 92. In a LVDT, the two secondary voltages
  1.    Are independent of the core position
  2.    Vary unequally depending on the core position
  3.    Vary equally depending on the core position
  4.    Are always in phase quadrature
 Discuss Question
Answer: Option B. -> Vary unequally depending on the core position
Question 93. Function of microscope isS1: To magnify object, under observationS2: To resolve the object
  1.    S1 is true & S2 is false
  2.    S2 is true & S1 is false
  3.    Both S1 & S2 are true
  4.    Both S1 & S2 are false
 Discuss Question
Answer: Option C. -> Both S1 & S2 are true
Question 94. Quartz and Rochelle salt belongs to ___________ of piezo-electric materials
  1.    Natural group
  2.    Synthetic group
  3.    Natural or Synthetic group
  4.    Fiber group
 Discuss Question
Answer: Option A. -> Natural group
Question 95. Test electrode is also known as
  1.    Indicator electrode
  2.    Reference electrode
  3.    Second electrode
  4.    Primary electrode
 Discuss Question
Answer: Option A. -> Indicator electrode
Question 96. A ___________ is usually a display device used to produce a paper record of analog wave form.
  1.    Graphic pen recorder
  2.    Electron microscope
  3.    X-Y recorder
  4.    Oscilloscope
 Discuss Question
Answer: Option A. -> Graphic pen recorder
Question 97. ____________ fiber is used in interferometric instruments.
  1.    Monomode
  2.    Multimode
  3.    Birefringent
  4.    Coated
 Discuss Question
Answer: Option A. -> Monomode
Question 98. Fidelity representsS1: Reproduction of signalS2: Reproduction of phase relation
  1.    S1 and S2 are true
  2.    S1 and S2 are false
  3.    S1 false and S2 true
  4.    S1 true and S2 false
 Discuss Question
Answer: Option D. -> S1 true and S2 false
Question 99. In an amplifier, the coupling capacitors are employed for
  1.    Limiting the bandwidth
  2.    Matching the impedance
  3.    Preventing of Dc mixing with input or output
  4.    Controlling the output
 Discuss Question
Answer: Option C. -> Preventing of Dc mixing with input or output
Question 100. The application of LVDT is
  1.    Joint motion
  2.    Finger movement
  3.    Limb movement
  4.    Heart wall motion
 Discuss Question
Answer: Option C. -> Limb movement

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