For the following questions answer them individually
The brush contact losses in a d.c. machine is
In which transformer, the tertiary winding is used
Secondary winding of an auto transformer is also called_____.
The maximum allowable voltage between adjacent segment is
The field control of a DC shunt motor gives_____.
The no load current in a transformer is
Transformer cooling and insulation oil must be of
Single Phase transformers can be used in parallel only when their voltages are
When the phase sequence of supply currents are reversed, then the direction of rotation of the resultant magnetic field wave
The availability of full -rated torque at starting is obtained from induction motor is