Electrical Machines Commutator in DC generator is used for increase efficiency convert AC armature current in to DC reduce losses collecting of current increase efficiency convert AC armature current in to DC reduce losses collecting of current 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 Bl2v. Blv2. Blv. Bl2v2. Bl2v. Blv2. Blv. Bl2v2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an auto-transformer, power is transferred through induction process only. None of these conduction process only. both A and B. induction process only. None of these conduction process only. both A and B. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two mechanically coupled alternators deliver power at 50 Hz and 60 Hz respectively. The highest speed of the alternators is 500 rpm. 3600 rpm. 3000 rpm. 600 rpm. 500 rpm. 3600 rpm. 3000 rpm. 600 rpm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In above question, find rms line voltage for delta connection? 230.2 V. 399 V. 100 V. 50 V. 230.2 V. 399 V. 100 V. 50 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutators in DC machines have a role of which converts none of these. AC to DC. high voltage DC to low voltage DC. Both AC to DC and DC to AC. none of these. AC to DC. high voltage DC to low voltage DC. Both AC to DC and DC to AC. ANSWER DOWNLOAD EXAMIANS APP
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