Electrical Machines Alternator operates on the principle of self or mutual induction. self induction. electromagnetic induction. mutual induction. self or mutual induction. self induction. electromagnetic induction. mutual induction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC motor with armature resistance of 0.5 ohms connected directly to a 220 Volt supply. If the armature is stationary then the current flowing through the armature is 340 A. 250 A. 440 A. 570 A. 340 A. 250 A. 440 A. 570 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case the conditions for maximum power for DC motor are established, the efficiency of the motor will be Any where between 75 % and 90 %. Around 90 % Less than 50 % Around 100 %. Any where between 75 % and 90 %. Around 90 % Less than 50 % Around 100 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If direct axis reactance Xd and quadrature axis reactance Xq are equal, then reluctance power is zero maximum minimum All of these zero maximum minimum All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is the largest conversion device? All of these Synchronous machine DC machine Induction machine All of these Synchronous machine DC machine Induction machine ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field weakening control method is used for the _________ ? above rated speed None of these below rated speed both A and B above rated speed None of these below rated speed both A and B ANSWER DOWNLOAD EXAMIANS APP
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