Sail E0 Webinar

MCQs

Total Questions : 120 | Page 11 of 12 pages
Question 101. Which of the following is the application of a negative feedback system?
  1.    Mercury thermostat
  2.    Centrifugal governor
  3.    Audio amplifier
  4.    All of the mentioned
 Discuss Question
Answer: Option D. -> All of the mentioned
Answer: (d).All of the mentioned
Question 102. Time taken by a system to achieve stable state is ______________
  1.    Oscillation
  2.    Damping
  3.    Speed
  4.    Bandwidth
 Discuss Question
Answer: Option C. -> Speed
Answer: (c).Speed
Question 103. Automatic washing machine is ________________
  1.    Open loop control system
  2.    Closed loop control system
  3.    Unpredictable
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> Open loop control system
Answer: (a).Open loop control system
Question 104. Electric hand drier is an example of _____________
  1.    Open loop control system
  2.    Closed loop control system
  3.    Unpredictable
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> Open loop control system
Answer: (a).Open loop control system
Question 105. For a good control system bandwidth should be ____________
  1.    Very low
  2.    Ideally zero
  3.    Very high
  4.    None of the mentioned
 Discuss Question
Answer: Option C. -> Very high
Answer: (c).Very high
Question 106. PMMC devices are converters of _____________
  1.    Voltage to force
  2.    Force to voltage
  3.    Force to force
  4.    Voltage to voltage
 Discuss Question
Answer: Option A. -> Voltage to force
Answer: (a).Voltage to force
Question 107. Which of the following is an inverse transducer _____________
  1.    Piezoelectric transducer
  2.    LVDT
  3.    Load cell
  4.    Bourdon tube
 Discuss Question
Answer: Option A. -> Piezoelectric transducer
Answer: (a).Piezoelectric transducer
Question 108. Which of the following cannot act as inverse transducer?
  1.    Quartz
  2.    Barium titanate
  3.    Lead zirconate
  4.    Cadmium
 Discuss Question
Answer: Option D. -> Cadmium
Answer: (d).Cadmium
Question 109. Input transducers and inverse transducers are the same.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 110. In PMMC device, torque and number of turns have _______________
  1.    Inverse proportionality
  2.    Direct proportionality
  3.    Equality
  4.    Undetermined
 Discuss Question
Answer: Option B. -> Direct proportionality
Answer: (b).Direct proportionality

Latest Videos

Latest Test Papers