Electrical Machines Armature of DC machine is made of insulating material. conducting material. non-ferrous material. silicon steel. insulating material. conducting material. non-ferrous material. silicon steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single phase, 2 KV alternator has an armature resistance of 0.8 ohms and 4.94 ohms respectively. The voltage regulation of the alternator at 100 a load 0.8 loading power factor is 7%. 14%. 0%. 8.9%. 7%. 14%. 0%. 8.9%. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The magnetic field which initially induces emf in the armature in a self excited DC generator is because of armature reaction. None of these permanent magnets. residual magnetism. armature reaction. None of these permanent magnets. residual magnetism. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A commutator with a diameter of 50 cm rotating at 1000 rpm. For a brush width of 1.5 cm, find the time of commutation in ms. 0.443. 0.649. 0.512. 0.573. 0.443. 0.649. 0.512. 0.573. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Rotating part of DC motor is known as Starter. Pole. Carbone brush. Armature. Starter. Pole. Carbone brush. Armature. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dynamic braking can be used for shunt motors. series motors. compound motors. All of these shunt motors. series motors. compound motors. All of these ANSWER DOWNLOAD EXAMIANS APP