Year 2024

Week # 2 Quiz 3

Q1. Which motor can conveniently operate on lagging as well as leading power factor ?

Q2. In a large synchronous alternator, which of the following coils will have emf closer to sine wave form

Q3. For a 6-pole dc machine with wave wound armature, the number of brushes required is

Q4. Which of the following alternatives will be cheaper?

Q5. The output of a stepper motor is in the form of

Q6. In a shaded-pole single phase motor, the revolving field is produced by the use of

Q7. The yoke of DC machine carries                pole flux.

Q8. The efficiency of a dc generator is maximum when its variable loss is

Q9. There is provision of                    for those DC machines which are subjected to sudden load changes.

Q10. Transfer of electric power from primary to secondary in a transformer takes place