Electrical Machines The speed of a 50 Hz three phase induction motor under full load condition is 725 rpm the number of poles of the motor are ______________. 6. 4. 2. 8. 6. 4. 2. 8. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of IM the torque is inversely proportional to √slip. directly proportional to slip2. inversely proportional to slip. directly proportional to slip. inversely proportional to √slip. directly proportional to slip2. inversely proportional to slip. directly proportional to slip. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Larger values of air flux density is taken while designing IM for both. larger bore diameter. larger output. none. both. larger bore diameter. larger output. none. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If B is flux density, l the length of the conductor and v the velocity of the conductor, then emf is given by Bl2v2. Bl2v. Blv2. Blv. Bl2v2. Bl2v. Blv2. Blv. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which motor cannot be started on no load? series motors cumulative compound motors shunt motors both B and C series motors cumulative compound motors shunt motors both B and C ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output power of a dc motor is given by EbIa2. EIa. none of these. EbIa. EbIa2. EIa. none of these. EbIa. ANSWER DOWNLOAD EXAMIANS APP
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