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Merge pull request #3 from virtual-labs/testing
Converted pre test and post test questions from .js format to .json format and updated .yml file.
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[{"question":"In case of regenerative braking, the motor","answers":{"a":"Dissipates energy in armature circuit","b":"Dissipates energy in field circuit","c":"Both a and b","d":"Supply energy to source"},"correctAnswer":"d"},{"question":"If plugging is applied to series motor for a long time, then","answers":{"a":"It will start revolving in other direction at low speed","b":"Motor will stop","c":"Motor will burn","d":"None of these"},"correctAnswer":"a"},{"question":"Disadvantage of the field-control method of speed control is","answers":{"a":"That speed above normal speed can be achieved","b":"That commutation becomes unsatisfactory","c":"Its low efficiency","d":"None of these"},"correctAnswer":"b"},{"question":"Speed regulation of a d.c. motor can be ideally achieved with","answers":{"a":"A.C. excitation to the field of the motor","b":"Variable excitation to the field of the motor","c":"constant excitation to the field of the motor","d":"no excitation to the field of the motor"},"correctAnswer":"c"},{"question":"Disadvantage of ward-Leonard system is","answers":{"a":"increased maintenance cost","b":"its high initial cost","c":"its low efficiency at light loads","d":"All of them"},"correctAnswer":"d"}] |
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