Electrical Machines Armature reaction in DC generators will result in increase in slip. reduction in generated emf. short circuit. open circuit. increase in slip. reduction in generated emf. short circuit. open circuit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor having 8 poles runs at 727.5 rpm. If the supply frequency is 50Hz, the emf in the rotor will have a frequency of 2.5Hz 51.5Hz 1.5Hz 48.5Hz 2.5Hz 51.5Hz 1.5Hz 48.5Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hopkinson test is conducted under which of the following condition? no load any of the above half load full load no load any of the above half load full load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power developed by a synchronous motor depends on excitation and load angle supply voltage, load angle and excitation supply voltage and load angle supply voltage and excitation excitation and load angle supply voltage, load angle and excitation supply voltage and load angle supply voltage and excitation ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two synchronous generators operating in parallel 200 MW and 400 MW respectively. The drooping characteristics of their governors are 4% and 5% from no load to full load. Consider the governors operating at 50Hz on no load. How will the machine share, if the load is 600 MW? generator 2 gets over load 200 MW and 400MW None of these generator 1 gets over load generator 2 gets over load 200 MW and 400MW None of these generator 1 gets over load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The three point starter is used for Shunt, compound and series motor. Shunt motor. Series motor. Shunt motor as well as compound motors. Shunt, compound and series motor. Shunt motor. Series motor. Shunt motor as well as compound motors. ANSWER DOWNLOAD EXAMIANS APP
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