Electrical Engineering : Industrial Drives QUESTIONS AND ANSWERS :: part1 : 1 to 5
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
1.A reluctance motor |
| is provided with slip rings |
| requires starting gear |
| has high cost |
| is compact |
2.For which of the following applications D.C. motors are still preferred ? |
| High efficiency operation |
| Reversibility |
| Variable speed drive |
| High starting torque |
3.When the load is above _____ a synchronous motor is found to be more economical. |
| 2 kW |
| 20 kW |
| 50 kW |
| 100 kW |
4.Reluctance motor is a |
| variable torque motor |
| low torque variable speed motor |
| self starting type synchronous motor |
| low noise, slow speed motor |
5.In a paper mill where constant speed is required |
| synchronous motors are preferred |
| A.C. motors are preferred |
| individual drive is preferred |
| group drive is preferred |
More Industrial Drives QUESTIONS AND ANSWERS available in next pages
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