A 15 KW, 230 V dc shunt motor has armature circuit, resistance of 0.4� – McqOptions

MCQOPTIONS

1.	A 15 KW, 230 V dc shunt motor has armature circuit, resistance of 0.4 Ω and field circuit resistance of 230 Ω. At no load and rated voltage, the motor runs at 1440 rpm and the line current drawn by the motor is 5 A. At full load, the motor draws a line current of 70 A. Neglect armature reaction. The full load speed of the motor in rpm
A.	1000
B.	1080
C.	1240
D.	1340
Answer» D. 1340

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