Electrical Machines The torque speed characteristics of a AC servomotor is approximately parabola any of the above linearised hyperbola parabola any of the above linearised hyperbola ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Lamination of transformer core is made of cast iron. cast steel. wrought iron. silicon steel. cast iron. cast steel. wrought iron. silicon steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a 3 - Φ induction motor can be reversed by transposing any two leads from supply. transposing any two leads from slip rings. transposing all the three leads from the supply. disconnecting any one phase. transposing any two leads from supply. transposing any two leads from slip rings. transposing all the three leads from the supply. disconnecting any one phase. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature core of a DC machine is laminated to minimise temperature rise eddy-current loss mechanical loss hysteresis loss temperature rise eddy-current loss mechanical loss hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer action requires a increasing magnetic flux. alternating magnetic lux. constant magnetic flux. alternating electric flux. increasing magnetic flux. alternating magnetic lux. constant magnetic flux. alternating electric flux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Number of slip rings in 3-phase synchronous motor will be 1 0 2 3 or 4 1 0 2 3 or 4 ANSWER DOWNLOAD EXAMIANS APP
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