Electrical Machines Induction motors have the advantage of less cost. all of below. less maintenance. simple in construction. less cost. all of below. less maintenance. simple in construction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by a DC motor at the time of starting is Normal. Zero. Very high. Very low. Normal. Zero. Very high. Very low. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The flux involved in the emf equation of a transformer has total value. average value. rms value. maximum value. total value. average value. rms value. maximum value. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the armature current of 5 Amp is flowing through the dc motor the torque produced is 47 Nm. Keeping the speed constant if the armature current is increased to 7 amp, calculate the new torque. Assume losses to be constant. 27.73 Nm . 74 Nm. 65.8 Nm. 38.5 Nm. 27.73 Nm . 74 Nm. 65.8 Nm. 38.5 Nm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following DC motors will have percentage increase of input current for the same percentage increase in torque? Cummulative compound. Series. Differntical compound. Shunt. Cummulative compound. Series. Differntical compound. Shunt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A three phase induction motor has a synchronous speed of 1500 rpm the machine runs at 1460 rpm at a particular load. The slip at this load is ___________. 5 %. 30 %. 2.67 %. 1.5 %. 5 %. 30 %. 2.67 %. 1.5 %. ANSWER DOWNLOAD EXAMIANS APP
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