Electrical Machines The armature MMF waveform of a DC machine is triangular. rectangular. sinusoidal. pulsating. triangular. rectangular. sinusoidal. pulsating. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a transformer to be tested at full load conditions but consuming only losses from the main, we do OC and SC tests None of these load test back to back test OC and SC tests None of these load test back to back test ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The function of field regulator in a DC compound motor is to control field current. limit the armature current. none of above. vary the armature resistance. control field current. limit the armature current. none of above. vary the armature resistance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, the brushes remain in contact with conductors which there is no hard and fast rule for this. lie under north pole. lie under south pole. lie in the inter polar gaps. there is no hard and fast rule for this. lie under north pole. lie under south pole. lie in the inter polar gaps. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 2 pole lap winding dc machine , the resistance of one conductor is 2Ω and total number of conductors is 100. Find the total resistance 100Ω 50Ω 10Ω 200Ω 100Ω 50Ω 10Ω 200Ω ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the handle of a three point starter goes to back to OFF position, it may be due to over load. zero or very low voltage supply. all of these. high filed circuit resistance. over load. zero or very low voltage supply. all of these. high filed circuit resistance. ANSWER DOWNLOAD EXAMIANS APP
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