Electrical Machines Stability of a synchronous motor ---------- with the increase in excitation. decreases increases any of the above remains unaffected decreases increases any of the above remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors is/are widely used? squirrel cage induction motor either of these slip ring induction motor None of these squirrel cage induction motor either of these slip ring induction motor None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor, damper windings are provided on None of these stator frame. rotor shaft. pole faces. None of these stator frame. rotor shaft. pole faces. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip exists in synchronous motor. none of above. induction motor. in both machines. synchronous motor. none of above. induction motor. in both machines. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the speed of stator rotating magnetic field with respect to rotor rotating magnetic field? Slip speed Zero Synchronous speed None of these Slip speed Zero Synchronous speed None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc motor with armature resistance of 0.5 ohms connected directly to a 230 Volt supply. If the armature is stationary then the current flowing through armature is 570 A. 340 A. 460 A. 250 A. 570 A. 340 A. 460 A. 250 A. ANSWER DOWNLOAD EXAMIANS APP
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