Electrical Machines Equalizer rings are used in which of the followings? both 1 and 2 lap winding None of these wave winding both 1 and 2 lap winding None of these wave winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an auto-transformer, power is transferred through induction process only. both A and B. None of these conduction process only. induction process only. both A and B. None of these conduction process only. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the reason for stationary armature essential in alternators above 5 KVA? Collecting of large current is simple. All of these Insulation requirement is less. Operating cost is less. Collecting of large current is simple. All of these Insulation requirement is less. Operating cost is less. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the no-voltage release in a DC motor starter fails to operate on failure of supply, on resumption of supply the motor will develop very low starting torque. not start automatically. get damaged. start automatically without trouble. develop very low starting torque. not start automatically. get damaged. start automatically without trouble. 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 Around 90 % Less than 50 % Any where between 75 % and 90 %. Around 100 %. Around 90 % Less than 50 % Any where between 75 % and 90 %. Around 100 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole DC generator rotates at 1500 rpm. How many times in a second, will the emf induced in each armature conductor changes its direction? 500. 750. 200. 100. 500. 750. 200. 100. ANSWER DOWNLOAD EXAMIANS APP
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