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Electrical Engineering Mcqs — Test 70

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Question 1
The material of the heating element for a furnace should have___________?
Question 2
Which of the following insulating materials was suitable for low temperature applications ?
Question 3
The temperature inside a furnace is usually measured by which of the following ?
Question 4
By the use of which of the following, high frequency power supply for induction furnaces can be obtained ?
Question 5
In an electric press mica is used_____________?
Question 6
Due to which of the following reasons it is desirable to have short arc length ?
Question 7
In a domestic cake baking oven the temperature is controlled by________________?
Question 8
In direct arc furnace, which of the following has high value ?
Question 9
The electrode of a direct arc furnace is made of____________?
Question 10
For radiant heating around 2250°C, the heating elements are made of____________?