Electrical Machines Under operating conditions the rotor conductor should be _________________ in induction motor. always opened. none. semi closed or semi opened. always closed. always opened. none. semi closed or semi opened. always closed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motors provided with open slots have leading power factor. less breakdown torque. higher efficiency. more breakdown torque. leading power factor. less breakdown torque. higher efficiency. more breakdown torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power factor of squirrel cage induction motor is both A and B low at rated load only low at heavy loads only low at light loads only both A and B low at rated load only low at heavy loads only low at light loads only 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 lap-wound machine will have more rated voltage and less current lap-wound machine will have more rated voltage and more current wave-wound machine will have more rated current and more voltage wave-wound machine will have more rated voltage and less current lap-wound machine will have more rated voltage and less current lap-wound machine will have more rated voltage and more current wave-wound machine will have more rated current and more voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine 72 number of coils are used. Find the number of commutator segments required? 37 74 72 36 37 74 72 36 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Generators work on the principle of production of dynamically and statically induced emf. statically induced emf. None of these dynamically induced emf. dynamically and statically induced emf. statically induced emf. None of these dynamically induced emf. ANSWER DOWNLOAD EXAMIANS APP