Electrical Machines The current drawn by a DC motor at the time of starting is Zero. Very high. Very low. Normal. Zero. Very high. Very low. Normal. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase 6 pole 50 Hz induction motor is running at 5% slip.What is the speed of the motor? 900 rpm 950 rpm 1000 rpm 850 rpm 900 rpm 950 rpm 1000 rpm 850 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Generator works on the principle of production dynamically induced emf. both A and B. static induced emf. None of these dynamically induced emf. both A and B. static induced emf. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Number of tappings for each equalizer ring is equal to number of parallel paths. number of poles. number of commutator segments. number of pole pairs. number of parallel paths. number of poles. number of commutator segments. number of pole pairs. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchronous motor is supplying a load at unity power factor. If the load on the motor is increased keeping its excitation and terminal voltage constant, the power factor None of these will become lagging will become leading will remain the same None of these will become lagging will become leading will remain the same ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two generators operating in parallel with rating 50MW and 100MW respectively. Both their respective governor settings are identical as 4%, consider same no load frequency. How will the machine share a common load of 100 MW 50 MW and 50 MW respectively 33.33 MW and 66.67 MW respectively any of the above 66.67 MW and 33.33 MW respectively 50 MW and 50 MW respectively 33.33 MW and 66.67 MW respectively any of the above 66.67 MW and 33.33 MW respectively ANSWER DOWNLOAD EXAMIANS APP