Electrical Machines In a DC motor under constant terminal voltage what is the relation between torque (Te) and power (P) T is independent of P T∝ P² T∝ P³ T∝ P T is independent of P T∝ P² T∝ P³ T∝ P ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following rotor requires damper winding? Salient pole rotor. Cylindrical rotor. Both type rotor. None of these Salient pole rotor. Cylindrical rotor. Both type rotor. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dynamic braking is very effective for differential compound motors. separately excited motors. series motors. shunt motors. differential compound motors. separately excited motors. series motors. shunt motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The efficiency of a transformer is mainly dependent on stray losses. copper losses. dielectric losses. core losses. stray losses. copper losses. dielectric losses. core losses. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which transformer, the tertiary winding is used? Star - delta Star - star Delta - star Delta - delta Star - delta Star - star Delta - star Delta - delta ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two identical loss less series motors connected in series across a dc supply voltage, runs at speed of N1 and N2, then ratio of their output power is N12 : N22. none. 1 : 1. N1 : N2. N12 : N22. none. 1 : 1. N1 : N2. ANSWER DOWNLOAD EXAMIANS APP
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