DC Motors In case the conditions for maximum power for a D.C. motor are established, the efficiency of the motor will be Less than 50% Anywhere between 75% and 90% Around 90% 1 Less than 50% Anywhere between 75% and 90% Around 90% 1 ANSWER DOWNLOAD EXAMIANS APP
DC Motors Three point starter can be used for Compound motor only Series motor only Shunt motor only Both shunt and compound motor Compound motor only Series motor only Shunt motor only Both shunt and compound motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors During rheostat braking of dc series motor Motor is reversed in direction None of the listed here Motor is run as a generator Motor is run at reduced speed Motor is reversed in direction None of the listed here Motor is run as a generator Motor is run at reduced speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the terminals of armature of D.C. motor are interchanged, this action will offer following kind of braking None of these Regenerative Dynamic braking Plugging None of these Regenerative Dynamic braking Plugging ANSWER DOWNLOAD EXAMIANS APP
DC Motors Motor starter are essential for Avoiding excessive starting current Preventing fuse blowing Starting the motor Accelerating the motor Avoiding excessive starting current Preventing fuse blowing Starting the motor Accelerating the motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which one of the following is not necessarily the advantage of D.C. motors over A.C. motors? High starting torque Low cost Stability Wide speed range High starting torque Low cost Stability Wide speed range ANSWER DOWNLOAD EXAMIANS APP