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MCQs

Total Questions : 374 | Page 2 of 38 pages
Question 11. A megger is usually
  1.    Moving iron type instrument
  2.    Electro-static type instrument
  3.    Hot-wire type instrument
  4.    Moving coil type instrument
 Discuss Question
Answer: Option D. -> Moving coil type instrument
Question 12. A megger is usually
  1.    Moving iron type instrument
  2.    Electro-static type instrument
  3.    Hot-wire type instrument
  4.    Moving coil type instrument
 Discuss Question
Answer: Option D. -> Moving coil type instrument
Question 13. Ampere is one of the
  1.    Supplementary units
  2.    Derived units
  3.    Base units
  4.    Units used to measure charge
 Discuss Question
Answer: Option C. -> Base units
Question 14. The internal resistance of an ammeter should be
  1.    Very small
  2.    Medium
  3.    High
  4.    Infinity
 Discuss Question
Answer: Option A. -> Very small
Question 15. A rectifier type instrument is connected to 100VDC and is operated in the DC measuring module reads
  1.    111V
  2.    90V
  3.    50V
  4.    100V
 Discuss Question
Answer: Option A. -> 111V
Question 16. An oscilloscope indicates
  1.    Peak to peak value of voltage
  2.    DC value of voltage
  3.    RMS value
  4.    Average value
 Discuss Question
Answer: Option A. -> Peak to peak value of voltage
Question 17. Ryall crest voltmeter is used for measurement of
  1.    AC voltage of any form
  2.    Low frequency voltage
  3.    High DC voltage
  4.    High AC voltage
 Discuss Question
Answer: Option D. -> High AC voltage
Question 18. The resistance can be measured most accurately by
  1.    Voltmeter-ammeter method
  2.    Bridge method
  3.    Multimeter
  4.    Megger
 Discuss Question
Answer: Option B. -> Bridge method
Question 19. Direct method is used to measure
  1.    Length
  2.    Temperature
  3.    Pressure
  4.    Voltage
 Discuss Question
Answer: Option A. -> Length
Question 20. In a ballistic galvanometer, the deflecting torque is proportional to
  1.    The current through coil
  2.    Square of current through coil
  3.    Square-root of current through coil
  4.    Sine of measured
 Discuss Question
Answer: Option A. -> The current through coil

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