DC Motors Which of the following tests will be suitable for testing two similar D.C. series motors of large capacity? Hopkinson's test Field test Brake test Swinburne's test Hopkinson's test Field test Brake test Swinburne's test ANSWER DOWNLOAD EXAMIANS APP
DC Motors The plugging gives the None of the listed here Zero torque braking Smallest torque braking Highest torque braking None of the listed here Zero torque braking Smallest torque braking Highest torque braking ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a motor falls from 1100 r.p.m. at no-load to 1050 r.p.m. at rated load. The speed regulation of the motor is 6.77% 4.76% 8.85% 2.22% 6.77% 4.76% 8.85% 2.22% ANSWER DOWNLOAD EXAMIANS APP
DC Motors The greatest percentage of power loss in a dc motor is due to Core loss Friction loss Windage loss Copper loss Core loss Friction loss Windage loss Copper loss ANSWER DOWNLOAD EXAMIANS APP
DC Motors The variable resistor shunting the field of a dc series motor is called a Voltage regulator Field divertor Armature divertor Potential divider Voltage regulator Field divertor Armature divertor Potential divider ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a series motor at no load is 4000 rpm 1000 rpm Infinity 2000 rpm 4000 rpm 1000 rpm Infinity 2000 rpm ANSWER DOWNLOAD EXAMIANS APP