Electrical Machines For a dc machine shunt resistance and armature resistance values are high and high low and low low and high high and low high and high low and low low and high high and low ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor has a rotor resistance of 0.002 Ω / phase. If the resistance is increased to 0.004 Ω / phase then the maximum torque will reduced to half increase by 200% increase by 100% remain unaltered reduced to half increase by 200% increase by 100% remain unaltered ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum efficiency will occur, when copper loss is_______to iron loss? less than greater than any of the above equal to less than greater than any of the above equal to ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The ventilating ducts in most of DC machine are none of these. longitudinal. radial as well as longitudinal. radial. none of these. longitudinal. radial as well as longitudinal. radial. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Generators work on the principle of production of dynamically induced emf. None of these statically induced emf. dynamically and statically induced emf. dynamically induced emf. None of these statically induced emf. dynamically and statically induced emf. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which DC motor will have least percentage increase of input current, for the same percentage increase in the torque Compound Wound DC Motor DC Series Motor DC Shunt Motor Separately Excited DC Motor Compound Wound DC Motor DC Series Motor DC Shunt Motor Separately Excited DC Motor ANSWER DOWNLOAD EXAMIANS APP
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