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 8.85% 4.76% 2.22% 6.77% 8.85% 4.76% 2.22% 6.77% ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which method of braking is generally used in elevators? None of these Regenerative braking Plugging Rheostat braking None of these Regenerative braking Plugging Rheostat braking ANSWER DOWNLOAD EXAMIANS APP
DC Motors Ward-Leonard control is basically a Field divertor method Armature resistance control method Field control method Voltage control method Field divertor method Armature resistance control method Field control method Voltage control method ANSWER DOWNLOAD EXAMIANS APP
DC Motors The maximum end play of a motor is about 2 mm 6 mm 10 mm 0.4 mm 2 mm 6 mm 10 mm 0.4 mm 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 Regenerative None of these Plugging Dynamic braking Regenerative None of these Plugging Dynamic braking ANSWER DOWNLOAD EXAMIANS APP
DC Motors Three point starter can be used for Shunt motor only Both shunt and compound motor Series motor only Compound motor only Shunt motor only Both shunt and compound motor Series motor only Compound motor only ANSWER DOWNLOAD EXAMIANS APP
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