Electrical Machines In DC motors, under trailing pole tips, flux density will_______ ? either increase or decrease None of these decrease increase either increase or decrease None of these decrease increase ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What will be the maximum power factor of an induction motor for dispersion coefficient of 0.05? 1.1. 20. 0.05. 0.905. 1.1. 20. 0.05. 0.905. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole 50 Hz induction motor is running at 1470 rpm. Find the speed of stator magnetic field with respect to rotor? 1500 rpm 1470 rpm 30 rpm zero 1500 rpm 1470 rpm 30 rpm zero ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction in DC generators will result in open circuit. increase in slip. short circuit. reduction in generated emf. open circuit. increase in slip. short circuit. reduction in generated emf. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Lamination of transformer core is made of wrought iron. cast steel. cast iron. silicon steel. wrought iron. cast steel. cast iron. silicon steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The volt-ampere euation for a long-shunt compound motor is given by Vt= Ea + Iara Vt= Ea– Iara Vt = Ea + Ia(ra + rs) Vt = Ea + Iara+ ILrs Vt= Ea + Iara Vt= Ea– Iara Vt = Ea + Ia(ra + rs) Vt = Ea + Iara+ ILrs ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS