1.

If a DC motor designed for 45 C ambient temperature is to be used for 55 C ambient temperature, then the motor ___________

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
Answer» E.


Discussion

No Comment Found