Electrical Machines The synchronous reactance( Xs) is the reactance due to armature reaction of the machine reactance either due to armature reaction or leakage flux combined reactance due to armature reaction and leakage flux reactance due to leakage flux reactance due to armature reaction of the machine reactance either due to armature reaction or leakage flux combined reactance due to armature reaction and leakage flux reactance due to leakage flux ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a seperately excited DC Motor if field current is increased, it will Reduce armature heating. Increase speed Increase acceleration duration. Reduce starting torque. Reduce armature heating. Increase speed Increase acceleration duration. Reduce starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a fault at the terminal of a synchronous generator, the fault current is maximum for a 3 - phase fault. line to line fault. 3 - phase to ground fault. line to ground fault. 3 - phase fault. line to line fault. 3 - phase to ground fault. line to ground fault. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flux density under trailing pole tips in case of generator will increase decrease None of these either increase or decrease increase decrease None of these either increase or decrease ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The DC generator runs at a speed of 1000 rpm and flux per pole is 0.2 Wb, number of poles are 2 the winding is wave wound and having 480 conductors. The critical speed is 1200 rpm. Then the generated emf ( Eg ) 1500 Volt. 0 Volt. 1600 Volt. 2000 Volt. 1500 Volt. 0 Volt. 1600 Volt. 2000 Volt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The type of DC motor used for shears and punches is Shunt motor. Series motor. Differential compound motor. Cummulative compound motor. Shunt motor. Series motor. Differential compound motor. Cummulative compound motor. ANSWER DOWNLOAD EXAMIANS APP
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