To measure insulation resistance of equipment’s of voltage rating up to 440 V the megger generator must generate
1). 220 V
2). 440 V
3). 500 V
4). None of these
2. The purpose of stator winding in the compensated repulsion motor is to
3. When the sender’s end voltage is more, the power transmitted
4. Which type of load is offered by cranes and hoists ?
5. Material used in plate earthing are
6. With conventional hydrogen cooling it is possible to increase the rating of a single unit to
7. The selection of an electric motor for any application depends on which of the following factors?
8. Which of the following is incorrect?
9. The standard full-load power factor ratings for synchronous motors are