Electrical Machines The frame of an induction motor is made of aluminium. stainless steel. silicon steel. closed grained cast iron. aluminium. stainless steel. silicon steel. closed grained cast iron. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An inverted V curve of synchronous motor shows variation of supply voltage and field current at constant excitation. power factor and DC excitation at constant load. supply voltage and excitation current at constant load. power factor and supply voltage during hunting. supply voltage and field current at constant excitation. power factor and DC excitation at constant load. supply voltage and excitation current at constant load. power factor and supply voltage during hunting. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machines shape of net flux density is? saddle shape sine wave flat tapped or trapezoidal peaky in nature saddle shape sine wave flat tapped or trapezoidal peaky in nature ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a Dc generator the magnetic neutral axis coincide with geometrical neutral axis, when there is no load on the generator. the generator runs on full load. the generator runs on designed speed. the generator runs on overload. there is no load on the generator. the generator runs on full load. the generator runs on designed speed. the generator runs on overload. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc shunt motor has external resistance Ra and Rf in the armature and field circuits respectively. Armature current at starting can be reduced by keeping Ra minimum and Rf minimum Ra maximum and Rf maximum Rf maximum and Ra minimum Ra maximum and Rf minimum Ra minimum and Rf minimum Ra maximum and Rf maximum Rf maximum and Ra minimum Ra maximum and Rf minimum ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In single phase rotary converter the number of slip rings will be three. six. two. four. three. six. two. four. ANSWER DOWNLOAD EXAMIANS APP
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