Electrical Machines The starting resistance of DC motor is generally Infinitely large. 1000 ohms. Low. around 500 ohms. Infinitely large. 1000 ohms. Low. around 500 ohms. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine 4 pole lap winding is used. The number of parallel paths are? 2 8 4 1 2 8 4 1 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator, the armature reaction results in magnetization of inter poles. magnetization of leading and demagnetization of trailing pole tip. demagnetization of leading & magnetization of trailing pole tip. demagnetization of centers of poles. magnetization of inter poles. magnetization of leading and demagnetization of trailing pole tip. demagnetization of leading & magnetization of trailing pole tip. demagnetization of centers of poles. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature shaft must be able to with stand Bending moment due to weight of the armature. Any unbalanced magnetic pull on the armature core. All of these Twisting stains due to transmission of torque. Bending moment due to weight of the armature. Any unbalanced magnetic pull on the armature core. All of these Twisting stains due to transmission of torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For very sensitive and wide speed control, the preferable control method is Multiple voltage control. Armature control. Ward-Leonard control. Field control. Multiple voltage control. Armature control. Ward-Leonard control. Field control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 230 V dc series generator is driven at its rated speed. The no-load voltage across its armature terminals would be somewhat less than 230 V 6 V 230 V somewhat more than 230 V somewhat less than 230 V 6 V 230 V somewhat more than 230 V ANSWER DOWNLOAD EXAMIANS APP