Q114
If a D.C. motor designed for 40°C ambient temperature is to be used for 50°C ambient temperature, then the motor
A.
Of lower H.P. should be selected
B.
Of higher H.P. 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
AnswerAnswer: Option D
Solution
Answer: Option D
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