Electrical Machines Direction of rotation of DC motor is reversed by Adding resistance to field circuit. Reversing armature connection or field connection. Interchanging armature and field connection. Reversing supply connection. Adding resistance to field circuit. Reversing armature connection or field connection. Interchanging armature and field connection. Reversing supply connection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In normal dc machines operating at full-load conditions, the most powerful electromagnet is interpole winding interpole and compensating windings together armature winding field winding interpole winding interpole and compensating windings together armature winding field winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following machine is invariably provided with forced ventilation? 50 MW generator in a power plant. Hermetically sealed motor of refrigerator. Fractional horse power slow speed motor. Fractional horse power high speed motor. 50 MW generator in a power plant. Hermetically sealed motor of refrigerator. Fractional horse power slow speed motor. Fractional horse power high speed motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For the purpose of starting an induction motor, star/delta switch is an equivalent to auto transformer of ratio 50% 33.3% 57.7% 66.3% 50% 33.3% 57.7% 66.3% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The frame of an induction motor is made of stainless steel. closed grained cast iron. aluminium. silicon steel. stainless steel. closed grained cast iron. aluminium. silicon steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Example of double excited machine is Both are correct. None of these DC Shunt Motor Synchronous motor. Both are correct. None of these DC Shunt Motor Synchronous motor. ANSWER DOWNLOAD EXAMIANS APP