Electrical Engineering MCQs on DC Generator Part 2
Contents
Brushes of DC machines are made of
Brushes of DC machines are made of
- Carbon
- Hard copper
- Soft copper
- All of these
Correct answer: 1. Carbon
In generators, lap winding is employed for
In generators, lap winding is employed for
- High voltage, high current
- High voltage, low current
- Low voltage, high current
- Low voltage, low current
Correct answer: 3. Low voltage, high current
A cumulatively compounded long shunt generator when operated as a motor would be
A cumulatively compounded long shunt generator when operated as a motor would be
- Cumulatively compounded long shunt
- Cumulatively compounded short shunt
- Differentially compounded long shunt
- Differentially compounded short shunt
Correct answer: 3. Differentially compounded long shunt
Magnetic field in generator is produced using
Magnetic field in generator is produced using
- Electromagnets
- Permanent magnets
- Both of above
- None of above
Correct answer: 1. Electromagnets
In case of flat compounded generator
In case of flat compounded generator
- Generated voltage is proportional to the load on the generator
- Speed varies in proportion to the load on the generator
- Voltage generated is less than the rated voltage
- Voltage remains constant irrespective of the load
Correct answer: 4. Voltage remains constant irrespective of the load