If a DC motor designed for 45°C ambient temperature is to be used for 55°C ambient temperature, then the motor _________
Posted: Thu Jul 14, 2022 1:11 pm
a) Of lower HP should be selected
b) Of higher HP should be selected
c) Can be used for 50°C ambient temperature also
d) Is to be de-rated by a factor recommended by manufacturer and select the next higher H.P. motor
b) Of higher HP should be selected
c) Can be used for 50°C ambient temperature also
d) Is to be de-rated by a factor recommended by manufacturer and select the next higher H.P. motor