Electrical Machines The induction motor shaft is made of stainless steel. aluminium. cast iron. mild steel. stainless steel. aluminium. cast iron. mild steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The demagnetising component of armature reaction in a DC generator reduces inter poles flux density. increases armature speed. results in sparking trouble. reduces generator emf. reduces inter poles flux density. increases armature speed. results in sparking trouble. reduces generator emf. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ward Leonard control is provides speed control Above rated speed. Below rated speed. In both direction. In one direction only. Above rated speed. Below rated speed. In both direction. In one direction only. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machines internal characteristics are plotted between Vt vs load current Vt vs Ia Eg vs load current Eg vs Ia Vt vs load current Vt vs Ia Eg vs load current Eg vs Ia ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following rotor requires damper winding? Salient pole rotor. Cylindrical rotor. None of these Both type rotor. Salient pole rotor. Cylindrical rotor. None of these Both type rotor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a DC motor can be determined by Lenz's law. Fleming's left hand rule. Fleming's right hand rule. Ampere's law. Lenz's law. Fleming's left hand rule. Fleming's right hand rule. Ampere's law. ANSWER DOWNLOAD EXAMIANS APP
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