Electrical Machines Silicon content in steel lamination is kept within 5% as it makes the material brittle. All of these Increases cost. increases hysteresis loss. makes the material brittle. All of these Increases cost. increases hysteresis loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 5 KVA transformer has a turns ratio of N1/N2 = 10. The impedance of primary winding is 3+j5 ohms while that of secondary winding is 0.5+j0.8 ohms. The impedance of transformer when referred to primary will be 8+j13 ohms 3.05+j5.08 ohms 3.5+j5.8 ohms 53+j85 ohms 8+j13 ohms 3.05+j5.08 ohms 3.5+j5.8 ohms 53+j85 ohms ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC Shunt Motor if the load current increases keeping the terminal voltage constant, then flux will decrease. any of the above. remain constant. increase. decrease. any of the above. remain constant. increase. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is expensive for same Kw output rates? AC single phase motor. Synchronous motor. DC Shunt Motor Induction motor. AC single phase motor. Synchronous motor. DC Shunt Motor Induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines On switching a DC motor to DC supply mains, it is found to rotate in the direction opposite to that for which it is designed. The DC motor is Cummulative compound. Series shunt. Differentical compound. have an equal number of electrons and protons. Cummulative compound. Series shunt. Differentical compound. have an equal number of electrons and protons. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Find the synchronous reactance of alternators in which a given field current of 200 A on short circuit and a generated emf of 50 V on open circuit. Armature resistance is 0.1 ohm 0.23Ω. 0.25Ω. 1Ω. 0.5Ω. 0.23Ω. 0.25Ω. 1Ω. 0.5Ω. ANSWER DOWNLOAD EXAMIANS APP
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