Electrical Machines Direction of rotation of DC motor is reversed by Adding resistance to field circuit. Reversing armature connection or field connection. Reversing supply connection. Interchanging armature and field connection. Adding resistance to field circuit. Reversing armature connection or field connection. Reversing supply connection. Interchanging armature and field connection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the speed of a dc motor increases with load torque, then it is a differentially compounded motor permanent magnet motor series motor comulatively compounded motor differentially compounded motor permanent magnet motor series motor comulatively compounded motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If an additional resistance is connected in series with a DC motor operating at rated speed, the speed of the motor will Reduce. Oscillate around the normal speed. Remain unaltered. Increase. Reduce. Oscillate around the normal speed. Remain unaltered. Increase. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature resistance control method is also called as-----------? constant current control constant power control constant torque control constant voltage control constant current control constant power control constant torque control constant voltage control ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The wound rotor type IM is used for____________ speed operation. maximum. variable. minimum. constant. maximum. variable. minimum. constant. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the highest possible speed of turbo alternators? 1000 rpm 4000 rpm 3000 rpm 1500 rpm 1000 rpm 4000 rpm 3000 rpm 1500 rpm ANSWER DOWNLOAD EXAMIANS APP
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