Electrical Machines The compensating winding in a DC machine is located on pole shoes to avoid the sparking at the brushes. is located on commutating poles for improving commutation. is located in armature slots for compensation of the armature reaction. is located on pole shoes for avoiding the flashover at the commutator. is located on pole shoes to avoid the sparking at the brushes. is located on commutating poles for improving commutation. is located in armature slots for compensation of the armature reaction. is located on pole shoes for avoiding the flashover at the commutator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a specific open-circuit voltage of a DC generator, the short-circuit electric current will be maximum when it is cumulatively compounded. differentially compounded. shunt connected. separately excited. cumulatively compounded. differentially compounded. shunt connected. separately excited. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 12 pole triplex lap wound DC armature, each conductor can carry current of 100 A. The rated current of this armature is 1200 A. 600 A. 3600 A. 2400 A. 1200 A. 600 A. 3600 A. 2400 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 100/10, 50 VA double winding transformer is converted to 100/110 V auto transformer. The rating of auto transformer is 550 VA 110 VA 500 VA 100 VA 550 VA 110 VA 500 VA 100 VA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by a DC motor at the time of starting is Very high. Normal. Zero. Very low. Very high. Normal. Zero. Very low. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC machine the armature mmf is rotating with respect to field poles. rotating with respect to field poles as well as armature. stationary with respect to armature. stationary with respect to field poles. rotating with respect to field poles. rotating with respect to field poles as well as armature. stationary with respect to armature. stationary with respect to field poles. ANSWER DOWNLOAD EXAMIANS APP