Electrical Machines Universal motor have which of the following application? Domestic pump. Traction. Food mixer. Lift. Domestic pump. Traction. Food mixer. Lift. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A series generator is connected in series to a feeder having 0.5Ω resistance to boost the voltage. The induced voltage is given by Eg = 0.6Ia, Ra = 0.2Ω and Rs = 0.3Ω. Find the voltage boosted by the generator, when delivering 400 Amp? 90 V. 60 V. 40 V. 30 V. 90 V. 60 V. 40 V. 30 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines On which of the following factor/factors the speed of a DC motor depends upon? Field flux. Armature current. All of these. Applied voltage. Field flux. Armature current. All of these. Applied voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A slip ring Induction motor runs at 290 rpm at full load, when connected to 50 Hz supply. Determine the number of poles and slip. P = 20, s = 3.33 %. P = 60, s = 0.96 %. P = 50, s = 4.43 %. P = 40, s = 5.79 %. P = 20, s = 3.33 %. P = 60, s = 0.96 %. P = 50, s = 4.43 %. P = 40, s = 5.79 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statements are correct ? None of these The leakage reactance of the induction motor should be small. A small value of leakage reactance will increase the maximum power output of motor. Both 1 and 2. None of these The leakage reactance of the induction motor should be small. A small value of leakage reactance will increase the maximum power output of motor. Both 1 and 2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Generators work on the principle of production of statically induced emf. dynamically induced emf. None of these dynamically and statically induced emf. statically induced emf. dynamically induced emf. None of these dynamically and statically induced emf. ANSWER DOWNLOAD EXAMIANS APP