Electrical Machines When the rotor of a 3 phase induction motor is blocked then the slip is 1. 0.3. 0.54. 0.7. 1. 0.3. 0.54. 0.7. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following induction motor has the highest starting torque? None of these Slip ring induction motor. Squirrel cage induction motor. Same in both induction motors. None of these Slip ring induction motor. Squirrel cage induction motor. Same in both induction motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following winding is connected in series with armature winding of DC machine? Both Compensating and Commutating pole winding. Compensating winding. Auxiliary winding. Commutating pole winding. Both Compensating and Commutating pole winding. Compensating winding. Auxiliary winding. Commutating pole winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For higher values of armature, the speed of a DC series motor is Inversely proportional to armature current. Constant. Proportional to the square of armature current. Proportional to armature current. Inversely proportional to armature current. Constant. Proportional to the square of armature current. Proportional to armature current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If any two leads from slip rings are interchanged in a 3 - Φ induction motor, the motor will continue running in the same direction as before. not run. run in a direction opposite to previous one. get damaged. continue running in the same direction as before. not run. run in a direction opposite to previous one. get damaged. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole dc motor with armature winding resistance of 0.6 ohm receives a supply of 230 Volt. If the back emf produced during running condition is equal to 210 volt. Calculate the current flowing through the armature at this point. 29 Amp. 44.47 Amp. 43 Amp. 33.33 Amp. 29 Amp. 44.47 Amp. 43 Amp. 33.33 Amp. ANSWER DOWNLOAD EXAMIANS APP
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