Electrical Engineering : Electrical Machine Design QUESTIONS AND ANSWERS :: part2 : 16 to 20
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
16.Machines cooled by direct cooling method may be called |
| "supercharged" |
| "inner cooled" |
| "conductor cooled" |
| any of the above |
17.The thermal conductivity of hydrogen is ______ times that of air |
| 2 |
| 3 |
| 5 |
| 7 |
18.Which of the following is the commonly used type of electromagnets ? |
| Flat-faced armature type |
| Horse shoe type |
| Flat-faced plunger type |
| All of the above |
19.In direct cooled system using hydrogen both stator and rotor conductors are made |
| solid |
| hollow |
| perforated |
| any ofthe above |
20.When the two coil sides forming a coil are spaced exactly one pole pitch apart they are said to be of |
| short pitch |
| full pitch |
| either of the above |
| none of the above |
More Electrical Machine Design QUESTIONS AND ANSWERS available in next pages
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