Electrical Machines Flux density under leading pole tips in case of generator will either increase or decrease decrease increase None of these either increase or decrease decrease increase None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In normal dc machines operating at full-load conditions, the most powerful electromagnet is interpole and compensating windings together interpole winding armature winding field winding interpole and compensating windings together interpole winding armature winding field winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Magnetic field of a DC generator is produced by what? Permanent magnets. Both B and C. None of the options. Electromagnets. Permanent magnets. Both B and C. None of the options. Electromagnets. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Under commutation results in sparking at the leading edge of the brush. sparking at the middle of the brush. sparking the trailing edge of the brush. no sparking. sparking at the leading edge of the brush. sparking at the middle of the brush. sparking the trailing edge of the brush. no sparking. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Series booster is a series wound DC generator. shunt wound DC generator. permanent magnet DC generator. separately excited DC generator. series wound DC generator. shunt wound DC generator. permanent magnet DC generator. separately excited DC generator. 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. 40 V. 90 V. 60 V. 30 V. 40 V. 90 V. 60 V. ANSWER DOWNLOAD EXAMIANS APP
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