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? 205 V. 212 V. 201.02 V. 210 V. 205 V. 212 V. 201.02 V. 210 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Semi closed slots or totally closed slots are used in induction motors, essentially to improve starting torque decrease starting torque increase pull out torque reduce magnetising current and improve power factor improve starting torque decrease starting torque increase pull out torque reduce magnetising current and improve power factor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip test is performed to determine direct axis reactance and quadrature axis reactance All of these positive sequence reactance and negative sequence reactance slip direct axis reactance and quadrature axis reactance All of these positive sequence reactance and negative sequence reactance slip ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following windings are necessary in case of all dc machines? closed winding open type winding lap winding wave winding closed winding open type winding lap winding wave winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dynamic braking is very effective for separately excited motors. shunt motors. series motors. differential compound motors. separately excited motors. shunt motors. series motors. differential compound motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following generators negative voltage regulation can occur? series generators over compound generator both B and C shunt generator series generators over compound generator both B and C shunt generator ANSWER DOWNLOAD EXAMIANS APP
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