Electrical Machines The wound rotor type IM is used for____________ speed operation. minimum. constant. variable. maximum. minimum. constant. variable. maximum. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum allowable tan - delta (tanδ) of dielectric dispassion factor of power transformer insulating oil is generally taken as 3 at 90°C. 1 at 90°C. 0.5 at 90°C. 2 at 90°C. 3 at 90°C. 1 at 90°C. 0.5 at 90°C. 2 at 90°C. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a transformer to be tested at full load conditions but consuming only losses from the main, we do None of these load test back to back test OC and SC tests None of these load test back to back test OC and SC tests ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is the largest conversion device? DC machine All of these Induction machine Synchronous machine DC machine All of these Induction machine Synchronous machine ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A differentially compound motor under high-over-load conditions will behave like a / an shunt motor. series motor. cummulative compound motor. AC synchronous motor. shunt motor. series motor. cummulative compound motor. AC synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC compound motor the field regulator is provided to control the armature flux. control the field flux. limit the armature current. demagnetize the field partially. control the armature flux. control the field flux. limit the armature current. demagnetize the field partially. ANSWER DOWNLOAD EXAMIANS APP
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