Electrical Machines Which of the following generators are used in arc welding? differential compound generators cumulative compound generators series generators shunt generators differential compound generators cumulative compound generators series generators shunt generators ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The commutator segments of DC machines are made up of copper alloy brass hard-drawn copper copper copper alloy brass hard-drawn copper copper ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The working principle of transformer depends on Newtons law. Faradays law of electromagnetic induction. Coulombs law. Amperes law. Newtons law. Faradays law of electromagnetic induction. Coulombs law. Amperes law. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load test on induction motor is conducted to find which of the following losses? Stator core loss All of these Rotational loss Stator copper loss Stator core loss All of these Rotational loss Stator copper loss 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 100 %. Less than 50 % Any where between 75 % and 90 %. Around 90 % Around 100 %. Less than 50 % Any where between 75 % and 90 %. Around 90 % ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an induction motor, the no-load slip is generally equal to zero. less than 1 %. 1.5 %. 4 %. zero. less than 1 %. 1.5 %. 4 %. ANSWER DOWNLOAD EXAMIANS APP
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