DC Motors The speed of a series motor at no load is 4000 rpm 2000 rpm 1000 rpm Infinity 4000 rpm 2000 rpm 1000 rpm Infinity ANSWER DOWNLOAD EXAMIANS APP
DC Motors The armature torque of the D.C. shunt motor is proportional to armature current only None of these field flux only both (A) and (B) armature current only None of these field flux only both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following law can be used to determine the direction of rotation of dc motor? Lenz's law Fleming's left hand rule Faraday's law Coloumb's law Lenz's law Fleming's left hand rule Faraday's law Coloumb's law ANSWER DOWNLOAD EXAMIANS APP
DC Motors A direct on line starter is used for starting motors Upto 20 HP Upto 15 HP Upto 10 HP Upto 5 HP Upto 20 HP Upto 15 HP Upto 10 HP Upto 5 HP ANSWER DOWNLOAD EXAMIANS APP
DC Motors In case the conditions for maximum power for a D.C. motor are established, the efficiency of the motor will be Around 90% Anywhere between 75% and 90% 1 Less than 50% Around 90% Anywhere between 75% and 90% 1 Less than 50% ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following losses are significantly reduced by laminating the core of a D.C. generator? Windage losses Hysteresis losses Eddy current losses Copper losses Windage losses Hysteresis losses Eddy current losses Copper losses ANSWER DOWNLOAD EXAMIANS APP
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