Electrical Drives And Controls Set 15

Mechanical Engineering

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This set of Electrical Drives and Controls EDC Multiple Choice Questions & Answers (MCQs) focuses on Electrical Drives And Controls Set 15

Q1 | A single-phase half wave voltage controller consists of
  • one scr is parallel with one diode
  • one scr is anti parallel with one diode
  • two scrs in parallel
  • two scrs in anti parallel
Answer: one scr is anti parallel with one diode
Q2 | In the below given voltage controller circuit
  • the positive half cycle at the load is same as the supply vs
  • the negative half cycle at the load is same as the supply vs
  • the positive and negative half cycles at the load are identical to the supply
  • none of the mentioned
Answer: the negative half cycle at the load is same as the supply vs
Q3 | The below shown controller circuit is a
  • half wave controller
  • full wave controller
  • none of the mentioned
  • will depend upon the firing angle
Answer: half wave controller
Q4 | The below given controller circuit is a
  • half wave controller
  • full wave controller
  • none of the mentioned
  • will depend upon the firing angle
Answer: full wave controller
Q5 | In the below given voltage controller circuit
  • only the negative cycle can be controlled
  • only the positive cycle can be controlled
  • both the cycles can be controlled
  • none of the mentioned
Answer: both the cycles can be controlled
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