Electrical Machines In DC machines internal characteristics are plotted between Eg vs Ia Eg vs load current Vt vs Ia Vt vs load current Eg vs Ia Eg vs load current Vt vs Ia Vt vs load current ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor is accidentally connected to single phase ac supply voltage. The torque produced will be steady and unidirectional None of these pulsating and unidirectional oscillating steady and unidirectional None of these pulsating and unidirectional oscillating ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC shunt motors are suitable for Blowers and fans. All of this. Lathes. Centrifugal pumps Blowers and fans. All of this. Lathes. Centrifugal pumps ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchronous generator is feeding a zero power factor (lagging) load at rated current. The armature reaction is cross – magnetizing. demagnetizing. magnetizing. ineffective. cross – magnetizing. demagnetizing. magnetizing. ineffective. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Shunt field of DC generators consists of--------number of turns and ---------- conductors respectively less and thin large and thin large and thick less and thick less and thin large and thin large and thick less and thick ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For the purpose of starting an induction motor, star/delta switch is an equivalent to auto transformer of ratio 57.7% 50% 66.3% 33.3% 57.7% 50% 66.3% 33.3% ANSWER DOWNLOAD EXAMIANS APP
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