Electrical Machines Rotating part of DC motor is known as Carbone brush. Pole. Armature. Starter. Carbone brush. Pole. Armature. Starter. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine torque depends on which of the following? both A and B flux (φ) armature current (I) speed both A and B flux (φ) armature current (I) speed ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For higher values of armature, the speed of a DC series motor is Constant. Proportional to armature current. Inversely proportional to armature current. Proportional to the square of armature current. Constant. Proportional to armature current. Inversely proportional to armature current. Proportional to the square of armature current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following machine will have maximum efficiency? Induction motor. Electrical power generator. Electrical power transformer. DC motor. Induction motor. Electrical power generator. Electrical power transformer. DC motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC motor with armature resistance of 0.5 ohms connected directly to a 220 Volt supply. If the armature is stationary then the current flowing through the armature is 250 A. 440 A. 570 A. 340 A. 250 A. 440 A. 570 A. 340 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Mechanical energy is supplied to DC generator at the rate of 4200 J / s. The generator delivers 32.2 Amp at 120 V. What is the percentage efficiency of the generator? 212 V. 205 V. 201.02 V. 210 V. 212 V. 205 V. 201.02 V. 210 V. ANSWER DOWNLOAD EXAMIANS APP
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