Electrical Machines
A 3 - Φ induction motor draws an current of 50 A from mains when starts by direct switching. If an auto transformer with 60 % tapping is used for starting the current drawn from the mains will be

 80.
 36.
 50.
  18.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In case of a DC Shunt motor if the load is decreased to some extent, what will happen to its speed?

 The speed will increase abruptly.
 The speed will increase gradually.
 The speed will remains almost constant.
 The speed will increase in proportion to reduction in load.

ANSWER DOWNLOAD EXAMIANS APP