21-09. ELECTRICS
All questions: 238
In mode TRAINING show all questions of the discipline with correct answers presentation. To go to the next question, click the “Next”.
Questions for exams: 25
In mode Exam correct answers are not shown, after choosing the answer, transition to the next question occurs automatically.
1. The current in a DC circuit, according to Ohm’s law, can be described as:
2. A constant speed drive aims at ensuring:
3. (Refer to figure 021-07) For this diagram, choose the answer which correctly states the outputs from the logic circuit shown:

4. When a persistent over-excitation fault is detected on only one AC generator, the protection device opens the:
5. (Refer to figure 021-13) In the following diagram A, B and C are respectively the: