Q5. An output shaft is connected to an electric motor as shown in the following Figure. The shaft rotates at a speed of 1000 RPM and the applied torque is 9.7 N.m. T, T; = 21°C 10 amp Motor 110 V

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Q5. An output shaft is connected to an electric motor as shown in the following Figure. The shaft rotates
at a speed of 1000 RPM and the applied torque is 9.7 N.m.
T
T; = 21°C
10 amp
Motor
110 V :
For operation at a steady state, determine:
a) the electric power required for operating the motor.
b) the power transmitted to the output shaft.
c) the motor efficiency.
d) the average surface temperature, T, if heat transfer occurs by convection to the surroundings at
T= 21°C.
Take note: Q = |" (0.0001 T +3.9) dT
%3D
Transcribed Image Text:Q5. An output shaft is connected to an electric motor as shown in the following Figure. The shaft rotates at a speed of 1000 RPM and the applied torque is 9.7 N.m. T T; = 21°C 10 amp Motor 110 V : For operation at a steady state, determine: a) the electric power required for operating the motor. b) the power transmitted to the output shaft. c) the motor efficiency. d) the average surface temperature, T, if heat transfer occurs by convection to the surroundings at T= 21°C. Take note: Q = |" (0.0001 T +3.9) dT %3D
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