Electrical Engineering : Heating And Welding QUESTIONS AND ANSWERS :: part2 : 21 to 25
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
21.Which of the following devices is necessarily required for automatic temperature control in a furnace ? |
| Thermostat |
| Thermocouple |
| Auto-transformer |
| Heating elements of variable resis-tance material |
22.In an electric press mica is used |
| as an insulator |
| as a device for power factor improvement |
| for dielectric heating |
| for induction heating |
23.Ajax Wyatt furnace is started when |
| it is filled below core level |
| it is filled above core level |
| it is fully empty |
| none of the above |
More Heating And Welding QUESTIONS AND ANSWERS available in next pages
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