Electrical Machines The starting resistance of DC motor is generally Low. around 500 ohms. 1000 ohms. Infinitely large. Low. around 500 ohms. 1000 ohms. Infinitely large. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In speed control of DC shunt motor by varying field flux, what may be the value of field regulator? 0.2 ohm 100 ohm 2 ohm. 10 ohm 0.2 ohm 100 ohm 2 ohm. 10 ohm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the flux of DC motor approaches zero, its speed will between zero and infinity. approach zero. aprroach infinity. remain unchanged. between zero and infinity. approach zero. aprroach infinity. remain unchanged. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature of DC machine is made of non-ferrous material. silicon steel. conducting material. insulating material. non-ferrous material. silicon steel. conducting material. insulating material. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor must started on no load because it would Not develop starting torque. Run at dangerously high speed. Fail to start without load. Draw more current without producing sufficient torque. Not develop starting torque. Run at dangerously high speed. Fail to start without load. Draw more current without producing sufficient torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine 4 pole lap winding is used. The number of parallel paths are? 4 1 8 2 4 1 8 2 ANSWER DOWNLOAD EXAMIANS APP
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