DC Motors Which one of the following is not the function of pole shoes in a D.C. machine? To spread out flux for better uniformity To support the field coils To reduce the reluctance of the magnetic path To reduce eddy current loss To spread out flux for better uniformity To support the field coils To reduce the reluctance of the magnetic path To reduce eddy current loss ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a dc motor is Directly proportional to flux per pole inversely proportional to flux per pole inversely proportional to applied voltage None of the listed here Directly proportional to flux per pole inversely proportional to flux per pole inversely proportional to applied voltage None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors For a D.C. shunt motor if the excitation is changed Torque, power and speed, all will change Torque will remain constant Torque will change but power will remain constant Torque and power both will change Torque, power and speed, all will change Torque will remain constant Torque will change but power will remain constant Torque and power both will change ANSWER DOWNLOAD EXAMIANS APP
DC Motors A direct on line starter is used for starting motors Upto 20 HP Upto 15 HP Upto 5 HP Upto 10 HP Upto 20 HP Upto 15 HP Upto 5 HP Upto 10 HP ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a _____ motor is practically constant. Cumulatively compounded Shunt Series Differentially compounded Cumulatively compounded Shunt Series Differentially compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors During rheostat braking of dc series motor Motor is run at reduced speed None of the listed here Motor is reversed in direction Motor is run as a generator Motor is run at reduced speed None of the listed here Motor is reversed in direction Motor is run as a generator ANSWER DOWNLOAD EXAMIANS APP
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