Electrical Machines If the handle of a three point starter goes to back to OFF position, it may be due to over load. all of these. zero or very low voltage supply. high filed circuit resistance. over load. all of these. zero or very low voltage supply. high filed circuit resistance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is the largest conversion device? Synchronous machine Induction machine All of these DC machine Synchronous machine Induction machine All of these DC machine ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature flux is.............with respect to main field flux or main field poles? rotates opposite direction rotates same direction None of these stationary rotates opposite direction rotates same direction None of these stationary ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What type of connection is made in between the inter-pole and the field winding? Series. None of the options. Compound. Parallel. Series. None of the options. Compound. Parallel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 250 volt dc series motor having an armature resistance of 0.2 Ω takes a load current of 60 A. What will be the torque produced at the shaft of the motor? Consider brush drop of 1V. 133.22 N-m can not be determined. 266.20 N-m. 234.76 N-m. 133.22 N-m can not be determined. 266.20 N-m. 234.76 N-m. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In travelling cranes for crane travel, trolley and boom hoist which motor is preferred? Slip ring induction motor. DC differential compound motor. Stepper motor. Synchronous motor. Slip ring induction motor. DC differential compound motor. Stepper motor. Synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
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