Electrical Machines What is the increase in the torque expressed as percentage of initial torque, if current drawn by the dc series motor is increased from 10A to 11A? 10% 11% 41% 21% 10% 11% 41% 21% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eddy current loss will depends on Thickness All of these Frequency Flux density Thickness All of these Frequency Flux density ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The air gap between the yoke and armature is dc machine is kept very small to avoid over heating. to avoid locking of the armature. to achieve a stronger magnetic field. All of these to avoid over heating. to avoid locking of the armature. to achieve a stronger magnetic field. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If two 8-pole dc machines of identical armature sare wound, one with lap winding and the other with wave winding, then wave-wound machine will have more rated voltage and less current wave-wound machine will have more rated current and more voltage lap-wound machine will have more rated voltage and more current lap-wound machine will have more rated voltage and less current wave-wound machine will have more rated voltage and less current wave-wound machine will have more rated current and more voltage lap-wound machine will have more rated voltage and more current lap-wound machine will have more rated voltage and less current ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The voltmeter connected across a generator reads voltage same at no load and at full load (rated). The generator is of the type level compound. short - shunt generator. shunt generator. series generator. level compound. short - shunt generator. shunt generator. series generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statements is/are correct ? Compensating winding will act under the pole. Inter pole winding will act in interpolar region. Both A and B. None of these Compensating winding will act under the pole. Inter pole winding will act in interpolar region. Both A and B. None of these ANSWER DOWNLOAD EXAMIANS APP
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