Electrical Machines The back emf produced in a dc motor depends on P. Z. P and Z. none of these. P. Z. P and Z. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a 3 - Φ induction motor can be reversed by transposing any two leads from supply. disconnecting any one phase. transposing any two leads from slip rings. transposing all the three leads from the supply. transposing any two leads from supply. disconnecting any one phase. transposing any two leads from slip rings. transposing all the three leads from the supply. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor hunting can be reduced to minimum possible by using a flywheel. any of above methods. providing damper winding in the rotor pole faces. designing the motor for adequate synchronizing power. using a flywheel. any of above methods. providing damper winding in the rotor pole faces. designing the motor for adequate synchronizing power. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field circuit of a DC shunt motor is opened The speed of motor will be reduced. The armature current will reduce. DC Shunt Motor The motor will attain dangerously high speed. The speed of motor will be reduced. The armature current will reduce. DC Shunt Motor The motor will attain dangerously high speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Normally for the design of transformer the ambient temperature is taken as 32°C. 27°C. 35°C. 45°C. 32°C. 27°C. 35°C. 45°C. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The principle of operation of a 3 - Φ induction motor is almost similar to that of synchronous motor. capacitor start induction motor. transformer with secondary short circuited. repulsion start induction motor. synchronous motor. capacitor start induction motor. transformer with secondary short circuited. repulsion start induction motor. ANSWER DOWNLOAD EXAMIANS APP
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