Electrical Machines In a resistance split phase motor, what is the range of torque angle? 90° 70° to 85° 0° 25° to 30° 90° 70° to 85° 0° 25° to 30° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a DC machine having P no of pole pairs, Z no of conductors having length L of resistivity ρ and cross section S are arranged. what is the armature resistance for simple wave-winding ? PZL/4Sa² PZL/4Sp² PZL/ 4Sa PZL/4S PZL/4Sa² PZL/4Sp² PZL/ 4Sa PZL/4S ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is/are the necessary conditions for parallel operation of alternators? Both 1and 2 Frequency should be same Terminal voltage is same Speed of alternators should be same Both 1and 2 Frequency should be same Terminal voltage is same Speed of alternators should be same ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following represents the pitch factor? Cos α² Cos (α/2) Cos α sin (α/2) Cos α² Cos (α/2) Cos α sin (α/2) ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A smaller air gap in a induction motor helps to increase the starting torque. reduce the chance of cogging. reduce the chance of crawling. reduce the magnetizing current. increase the starting torque. reduce the chance of cogging. reduce the chance of crawling. reduce the magnetizing current. 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. 210 V. 201.02 V. 212 V. 205 V. 210 V. 201.02 V. ANSWER DOWNLOAD EXAMIANS APP
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