Electrical Machines
In normal dc machines operating at full-load conditions, the most powerful electromagnet is

 armature winding
 interpole winding
 interpole and compensating windings together
 field winding

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
For a single phase capacitor start induction motor which of the following is valid?

  Rotation can be changed by reversing main winding terminals.
 None of these.
 Rotation can be changed by interchanging supply terminals.
 Direction of rotation cannot be changed.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A belt-driven cumulatively-compound dc generator is delivering power to the dc mains. If the Belt snaps then the machine will run as a

 cumulative compounded motor in opposite direction
 differentially compounded motor in the opposite direction
 cumulative compounded motor in the same direction
 differentially compounded motor in the same direction

ANSWER DOWNLOAD EXAMIANS APP