DC Motors In case the conditions for maximum power for a D.C. motor are established, the efficiency of the motor will be 1 Less than 50% Around 90% Anywhere between 75% and 90% 1 Less than 50% Around 90% Anywhere between 75% and 90% ANSWER DOWNLOAD EXAMIANS APP
DC Motors In the dc motor the iron losses occur in Commutator Armature Brushes Field Commutator Armature Brushes Field ANSWER DOWNLOAD EXAMIANS APP
DC Motors In which of the following tests only one motor is required? Field's test Swinburne's test Hopkinson's test Brake test Field's test Swinburne's test Hopkinson's test Brake test ANSWER DOWNLOAD EXAMIANS APP
DC Motors The greatest percentage of power loss in a dc motor is due to Core loss Windage loss Copper loss Friction loss Core loss Windage loss Copper loss Friction loss ANSWER DOWNLOAD EXAMIANS APP
DC Motors If conditions for maximum power for a dc motor are established, the efficiency of the motor will be 60 to 70 % Less than 50% 100 % 80 to 90 % 60 to 70 % Less than 50% 100 % 80 to 90 % ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which one of the following is not necessarily the advantage of D.C. motors over A.C. motors? Wide speed range Stability High starting torque Low cost Wide speed range Stability High starting torque Low cost ANSWER DOWNLOAD EXAMIANS APP
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