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 4.76% 8.85% 6.77% 2.22% 4.76% 8.85% 6.77% 2.22% ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc machines the residual magnetism is of the order of 10 to 15 percent 20 to 25 percent 2 to 3 percent 50 to 75 percent 10 to 15 percent 20 to 25 percent 2 to 3 percent 50 to 75 percent ANSWER DOWNLOAD EXAMIANS APP
DC Motors The plugging gives the Smallest torque braking Zero torque braking Highest torque braking None of the listed here Smallest torque braking Zero torque braking Highest torque braking None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors The armature torque of the D.C. shunt motor is proportional to armature current only field flux only both (A) and (B) None of these armature current only field flux only both (A) and (B) None of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors Dc shunt motors are used for driving Hoist Cranes Machine tools Trains Hoist Cranes Machine tools Trains ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc motor constant torque is produced due to End plates Rotor laminations Commutator Pole shoes End plates Rotor laminations Commutator Pole shoes ANSWER DOWNLOAD EXAMIANS APP