Electrical Machines In an induction motor, what is the ratio of rotor input to rotor copper loss? S 1/S 1-S 1/(1-S) S 1/S 1-S 1/(1-S) ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Total core loss is also called as -------------? Hysteresis loss Copper loss Eddy current loss Magnetic loss Hysteresis loss Copper loss Eddy current loss Magnetic loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Iron loss in a transformer mainly occurs in winding of transformer. iron made tank of transformer. transformer insulating oil. steel core in transformer. winding of transformer. iron made tank of transformer. transformer insulating oil. steel core in transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a DC compound motor can be reversed by interchanging armature or field connections. shunt field connections. armature connections. series field connections. armature or field connections. shunt field connections. armature connections. series field connections. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of motors uses slip rings? DC Shunt Motor Both Synchronous and Induction motor Induction motors Synchronous motors DC Shunt Motor Both Synchronous and Induction motor Induction motors Synchronous motors ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An inverted V curve of synchronous motor shows variation of power factor and DC excitation at constant load. power factor and supply voltage during hunting. supply voltage and field current at constant excitation. supply voltage and excitation current at constant load. power factor and DC excitation at constant load. power factor and supply voltage during hunting. supply voltage and field current at constant excitation. supply voltage and excitation current at constant load. ANSWER DOWNLOAD EXAMIANS APP
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