Electrical Machines In DC generator, armature reaction refers to what? Effect of armature flux on the main field flux. None of these Effect of armature flux on the load. Effect of field flux on the armature flux. Effect of armature flux on the main field flux. None of these Effect of armature flux on the load. Effect of field flux on the armature flux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Considering a galvanometer is connected to the rotor of a 3 - Φ, 4 pole, 50 Hz IM and is making 130 oscillations in a minute, then calculate the rotor speed? 1440. 1435. 1500. 1450. 1440. 1435. 1500. 1450. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines On switching a DC motor to DC supply mains, it is found to rotate in the direction opposite to that for which it is designed. The DC motor is Cummulative compound. have an equal number of electrons and protons. Differentical compound. Series shunt. Cummulative compound. have an equal number of electrons and protons. Differentical compound. Series shunt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction in a DC machine is in the same direction as the main poles. makes an angle with the main pole axis which is load dependent. makes an angle of 90° with the main pole axis. is in direct opposition to the main poles. is in the same direction as the main poles. makes an angle with the main pole axis which is load dependent. makes an angle of 90° with the main pole axis. is in direct opposition to the main poles. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the handle of a three point starter goes to back to OFF position, it may be due to zero or very low voltage supply. all of these. high filed circuit resistance. over load. zero or very low voltage supply. all of these. high filed circuit resistance. over load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the armature windings are placed on the rotor because of the necessity for electromechanical energy conversion commutation development of torque generation of voltage electromechanical energy conversion commutation development of torque generation of voltage ANSWER DOWNLOAD EXAMIANS APP
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