Electrical Machines The field divertor resistance for a DC series motor is of order of 100 Ω 0.1 Ω 50 Ω 10 Ω 100 Ω 0.1 Ω 50 Ω 10 Ω ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following alternators contain large number of poles? None of these Turbo alternators. Aame in both alternators. Hydro alternators. None of these Turbo alternators. Aame in both alternators. Hydro alternators. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC shunt motors are suitable for Blowers and fans. Lathes. All of this. Centrifugal pumps Blowers and fans. Lathes. All of this. Centrifugal pumps ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case the conditions for maximum power for DC motor are established, the efficiency of the motor will be Any where between 75 % and 90 %. Around 90 % Less than 50 % Around 100 %. Any where between 75 % and 90 %. Around 90 % Less than 50 % Around 100 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor has a rotor resistance of 0.002 Ω / phase. If the resistance is increased to 0.004 Ω / phase then the maximum torque will remain unaltered increase by 200% increase by 100% reduced to half remain unaltered increase by 200% increase by 100% reduced to half ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The supply voltage to an induction motor is reduced by 10%. By what percentage, approximately, will the maximum torque decrease? 10% 19% 5% 40% 10% 19% 5% 40% ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS