Electrical Machines On what factors the speed of dc motor depends? Field flux. Armature current Ia. Applied voltage. All of these. Field flux. Armature current Ia. Applied voltage. All of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the DC Motor use flywheel? Series motor. Differently compared motor. Cumulatively compound motor. Shunt motor. Series motor. Differently compared motor. Cumulatively compound motor. Shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A series generator is connected in series to a feeder having 0.5Ω resistance to boost the voltage. The induced voltage is given by Eg = 0.6Ia, Ra = 0.2Ω and Rs = 0.3Ω. Find the voltage boosted by the generator, when delivering 400 Amp? 30 V. 60 V. 40 V. 90 V. 30 V. 60 V. 40 V. 90 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a DC machine having P no of pole pairs, Z no of conductors having length L of resistivity ρ and cross section S are arranged. what is the armature resistance for simple wave-winding ? PZL/4Sp² PZL/ 4Sa PZL/4S PZL/4Sa² PZL/4Sp² PZL/ 4Sa PZL/4S PZL/4Sa² 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 current and more voltage lap-wound machine will have more rated voltage and more current wave-wound machine will have more rated voltage and less current lap-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 wave-wound machine will have more rated voltage and less current lap-wound machine will have more rated voltage and less current ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following winding is connected in series with armature winding of DC machine? Commutating pole winding. Both Compensating and Commutating pole winding. Auxiliary winding. Compensating winding. Commutating pole winding. Both Compensating and Commutating pole winding. Auxiliary winding. Compensating winding. ANSWER DOWNLOAD EXAMIANS APP