Electrical Engineering Questions And Answers :: Rectifiers And Converters: part2



Electrical Engineering : Rectifiers And Converters QUESTIONS AND ANSWERS :: part2 : 6 to 10

Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

6.Which of the following is the loss within the mercury arc rectifier chamber ?

Voltage drop in arc
Voltage drop at the anode
Voltage drop at the cathode
All of the above

7.Copper oxide rectifier is usually designed not to operate above

10�C
20�C
30�C
45�C

8.In selenium rectifiers efficiencies ranging from ______ to ______ percent are attainable

25, 35
40, 50
60, 70
75, 85

9.The efficiency of an electrolytic rectifier is nearly

80%
70%
60%
40%

10.In a phase-shift control method, the phase shift between anode and grid voltages can be achieved by means of

shunt motor
synchronous motor
induction regulator
synchronous generator

More Rectifiers And Converters QUESTIONS AND ANSWERS available in next pages

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