Electrical Machines Lamination of core are generally made of stainless steel. silicon steel. carbon. cast iron. stainless steel. silicon steel. carbon. cast iron. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature coil is short circuited by brushes when it lies along neutral axis. in any of above positions. along field axis. in none of above positions. along neutral axis. in any of above positions. along field axis. in none of above positions. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is done in speed control of DC motor by field flux control? Inserting an additional resistance in the armature circuit. Inserting resistance to armature circuit and field circuit. Any of above. Inserting an additional resistance in the field circuit. Inserting an additional resistance in the armature circuit. Inserting resistance to armature circuit and field circuit. Any of above. Inserting an additional resistance in the field circuit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eb/V ratio of a DC motor is an indication of Running Torque. Speed regulation. Effiency. Starting torque. Running Torque. Speed regulation. Effiency. Starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To get the speed of DC motor more than normal without wastage of electrical energy _____________ is used. any of above method. none of above. rheostatic control. Ward Leonard control. any of above method. none of above. rheostatic control. Ward Leonard control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For pure resistive load what is the armature reaction? demagnetization All of these magnetization cross magnetization demagnetization All of these magnetization cross magnetization ANSWER DOWNLOAD EXAMIANS APP
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