DC Motors In a D.C. shunt motor, under the conditions of maximum power, the current in the armature will be Less than full-load current Almost negligible Rated full-load current More than full-load current Less than full-load current Almost negligible Rated full-load current More than full-load current ANSWER DOWNLOAD EXAMIANS APP
DC Motors The iron loss in dc motor depends on Speed only Both flux and speed None of the listed here Flux only Speed only Both flux and speed None of the listed here Flux only ANSWER DOWNLOAD EXAMIANS APP
DC Motors By looking at which part of the motor, it can be easily confirmed that a particular motor is D.C. motor? Stator Frame Shaft Commutator Stator Frame Shaft Commutator ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc motor if the back emf is absent Motor will burn Motor will not run at all Motor will run at very high speed Motor will run at very slow speed Motor will burn Motor will not run at all Motor will run at very high speed Motor will run at very slow speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors For constant torque drive which speed control method is preferred? Shunt armature control Armature voltage control Field control Mechanical loading system Shunt armature control Armature voltage control Field control Mechanical loading system ANSWER DOWNLOAD EXAMIANS APP
DC Motors If conditions for maximum power for a dc motor are established, the efficiency of the motor will be Less than 50% 60 to 70 % 80 to 90 % 100 % Less than 50% 60 to 70 % 80 to 90 % 100 % ANSWER DOWNLOAD EXAMIANS APP