Electrical Machines In which transformer, the tertiary winding is used? Delta - delta Star - delta Star - star Delta - star Delta - delta Star - delta Star - star Delta - star ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Find the developed torque DC Series Motor having armature resistance of 0.2 Ω and taking armature current of 60 A is connected to 250 V supply. Considered brush drop of 1 V each. cant be determined. 133.22 N-m 266.20 N-m. 234.76 N-m. cant be determined. 133.22 N-m 266.20 N-m. 234.76 N-m. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a 3-phase, 4 pole, 50 Hz synchronous motor the frequency, pole number and the frequency are halved. The motor speed will be 1500 rpm 75 rpm 375 rpm 3000 rpm 1500 rpm 75 rpm 375 rpm 3000 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following will vary the maximum torque? rotor resistance R both 1 and 2 None of these rotor reactance X rotor resistance R both 1 and 2 None of these rotor reactance X 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 Blv. Bl2v2. Bl2v. Blv2. Blv. Bl2v2. Bl2v. Blv2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an auto-transformer, power is transferred through None of these both A and B. conduction process only. induction process only. None of these both A and B. conduction process only. induction process only. ANSWER DOWNLOAD EXAMIANS APP
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