Electrical Machines What is the highest possible speed of turbo alternators? 1000 rpm 4000 rpm 3000 rpm 1500 rpm 1000 rpm 4000 rpm 3000 rpm 1500 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines We can apply source transformation to voltage source when a resistance is connected to it in 15 HP. 10 HP. 13 HP. 14 HP. 15 HP. 10 HP. 13 HP. 14 HP. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is more expensive for same KW output rating ? Synchronous motor. DC Shunt Motor AC single phase motor. Induction motor. Synchronous motor. DC Shunt Motor AC single phase motor. Induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If two 8-pole dc machines of identical armature sare wound, one with lap winding and the other with wave winding, then lap-wound machine will have more rated voltage and less current wave-wound machine will have more rated voltage and less current wave-wound machine will have more rated current and more voltage lap-wound machine will have more rated voltage and more current lap-wound machine will have more rated voltage and less current wave-wound machine will have more rated voltage and less current wave-wound machine will have more rated current and more voltage lap-wound machine will have more rated voltage and more current ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature shaft must be able to withstand All of these bending moment due to weight of the armature. twisting strains due to transmission of torque. any unbalanced magnetic pull on the armature core. All of these bending moment due to weight of the armature. twisting strains due to transmission of torque. any unbalanced magnetic pull on the armature core. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, 50 Hz, 4 pole induction motor is running at 1440 rpm. Find the rotor efficiency? 94% 95% 96% 92% 94% 95% 96% 92% ANSWER DOWNLOAD EXAMIANS APP
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