Electrical Machines If Pi and Pc represent core and full load copper loss respectively, the maximum KVA delivered to load corresponding to maximum efficiency is equal to rated KVA is √(Pi/Pc) Pc/Pi (Pi/Pc)2 Pi/Pc √(Pi/Pc) Pc/Pi (Pi/Pc)2 Pi/Pc ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the speed of a dc motor increases with load torque, then it is a comulatively compounded motor permanent magnet motor differentially compounded motor series motor comulatively compounded motor permanent magnet motor differentially compounded motor series motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 phase stepper motor has 6 stator poles and 4 rotor poles, then find the step angle? 10° 60° 30° 45° 10° 60° 30° 45° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Direct-on-line (DOL) starters are not suitable for starting large DC motors, because the motor may run away. the starting torque becomes low. the starting current will be enormously high. the motor may not start. the motor may run away. the starting torque becomes low. the starting current will be enormously high. the motor may not start. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor has more stability both motors has same stability cylindrical motor None of these salient pole motor both motors has same stability cylindrical motor None of these salient pole motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 2 pole lap winding dc machine , the resistance of one conductor is 2Ω and total number of conductors is 100. Find the total resistance 100Ω 200Ω 50Ω 10Ω 100Ω 200Ω 50Ω 10Ω ANSWER DOWNLOAD EXAMIANS APP
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