Electrical Engineering Mcqs — Test 60
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Question 1
The efficiency of an electrolytic rectifier is nearly____________?
Question 2
Which of the following rectifiers are primarily used for charging of low voltage batteries from AC supply ?
Question 3
Which of the following is the loss within the mercury arc rectifier chamber ?
Question 4
Which of the following rectifiers have been used extensively in supplying direct current for electroplating ?
Question 5
In a mercury arc rectifier, the anode is usually made of_____________?
Question 6
A commutating rectifier consists of commutator driven by___________?
Question 7
In selenium rectifiers efficiencies ranging from _______ to _______ percent are attainable?
Question 8
The applications of selenium rectifiers are usually limited to potential of_____________?
Question 9
Selenium rectifier can be operated at temperatures as high as____________?
Question 10
The efficiency of the copper oxide rectifier seldom exceeds____________?