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VOLTAGE REGULATOR MCQs

Total Questions : 33 | Page 3 of 4 pages
Question 21. To reuse the exhaust steam a large hollow box is attached to the exhaust opening of the turbine
  1.    heat exchanger
  2.    heat pump
  3.    Condenser
  4.    none of the above
 Discuss Question
Answer: Option C. -> Condenser
Question 22. In an operating plant, water is lost through leakage and other losses
  1.    liquid substitution
  2.    Flooding
  3.    makeup water
  4.    none of the above
 Discuss Question
Answer: Option C. -> makeup water
Question 23. Insulators such as ______________and ______________ are good materials that do not allow electrical current to flow through them
  1.    glass and fiber glass
  2.    copper and aluminum
  3.    wood and titanium
  4.    none of the above
 Discuss Question
Answer: Option A. -> glass and fiber glass
Question 24. The _____________ is a heater that reheats the steam after it has been through part of the turbine
  1.    Superheater
  2.    Reheater
  3.    thermal chamber
  4.    Both A & B
 Discuss Question
Answer: Option B. -> Reheater
Question 25. _____________have low resistances and ________________ have very high resistances
  1.    conductors and insulators
  2.    resistors and capacitors
  3.    diodes and capacitors
  4.    Both A & B
 Discuss Question
Answer: Option A. -> conductors and insulators
Question 26. A____________ is an electrical device by which alternating current of one voltage is changed to another voltage
  1.    Capacitor
  2.    Transformer
  3.    Resistor
  4.    none of the above
 Discuss Question
Answer: Option B. -> Transformer
Question 27. The transmission system operates at high voltages in ranges from ____________ to __________ volts
  1.    240 to 1000
  2.    138,000 to 1,000,000
  3.    1000 to 5000
  4.    None of these
 Discuss Question
Answer: Option B. -> 138,000 to 1,000,000
Question 28. Forcing current through the resistance in a conductor makes _____________
  1.    amperage or current
  2.    heat
  3.    electricity
  4.    none of the above
 Discuss Question
Answer: Option B. -> heat
Question 29. If there are fewer turns in the primary winding than in the secondary winding, the transformer is said to be a _____________ transformer
  1.    step-down
  2.    step-up
  3.    powerful
  4.    Both A & B
 Discuss Question
Answer: Option A. -> step-down
Question 30. If you are at home and your lights flash off and on two or three times that could be an indication that the _____________ is trying to protect the wires or lines
  1.    distribution circuit breaker
  2.    distribution circuit regulator
  3.    distribution transformer
  4.    All of above
 Discuss Question
Answer: Option A. -> distribution circuit breaker

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