Q. If a D.C. motor designed for 40°C ambient temperature is to be used for 50°C ambient temperature, then the motor (Solved)
1. of lower H.P. should be selected
2. of higher H.P. should be selected
3. can be used for 50°C ambient temperature also
4. is to be derated by a factor recom-mended by manufacturer and select the next higher H.P. motor
- d. is to be derated by a factor recom-mended by manufacturer and select the next higher H.P. motor