Electrical Machines Which of following winding is connected in series with armature winding of DC machine? Auxiliary winding. Both Compensating and Commutating pole winding. Commutating pole winding. Compensating winding. Auxiliary winding. Both Compensating and Commutating pole winding. Commutating pole winding. Compensating winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, the cause of rapid brush wear may be imperfect contact. any of above. rough commutator surface. severe sparking. imperfect contact. any of above. rough commutator surface. severe sparking. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The reduced air gap results in an increase breaking torque. power factor. starting torque. cost of operation. breaking torque. power factor. starting torque. cost of operation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by a 220 V DC series motor of armature resistance 0.5Ω and back back emf 200 V is 44 A. 440 A. 400 A. 40 A. 44 A. 440 A. 400 A. 40 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The noise resulting from vibrations of lamination set by magnetic forces, is termed as magnetostriction. hum. zoom. boo. magnetostriction. hum. zoom. boo. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following generators are used in arc welding? differential compound generators cumulative compound generators shunt generators series generators differential compound generators cumulative compound generators shunt generators series generators ANSWER DOWNLOAD EXAMIANS APP
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