Electrical Machines The sequence of induction motor is RYB, then the direction of induction motor can be changed by which of the following sequence? All of these BRY RBY BYR All of these BRY RBY BYR ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Generators work on the principle of production of statically induced emf. None of these dynamically induced emf. dynamically and statically induced emf. statically induced emf. None of these dynamically induced emf. dynamically and statically induced emf. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole 50 Hz induction motor is running at 1470 rpm. The frequency of rotor current is 50 Hz 0 Hz 1 Hz 5 Hz 50 Hz 0 Hz 1 Hz 5 Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 6 pole lap connected DC generator with 480 conductors has armature resistance of 0.06 Ω. If the conductors are reconnected to from a wave winding other things remaining unchanged, the value of armature resistance will be 0.01 Ω. 0.54 Ω. 0.54 Ω. 0.06 Ω. 0.01 Ω. 0.54 Ω. 0.54 Ω. 0.06 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The no load and full load speed of DC motor are 1400 rpm and 1200 rpm respectively. What is the percentage speed regulation of the motor ? 14.28%. 18.25%. 16.67%. 15.30%. 14.28%. 18.25%. 16.67%. 15.30%. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ, 6 pole, 50 Hz IM has a rotor speed of 987 rpm find rotor frequency? 0.65 Hz. 60 Hz. 0.70 Hz. 0.75 Hz. 0.65 Hz. 60 Hz. 0.70 Hz. 0.75 Hz. ANSWER DOWNLOAD EXAMIANS APP
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