Electrical Machines
The direction of rotation of a DC compound motor can be reversed by interchanging

 armature connections.
 armature or field connections.
 shunt field connections.
 series field connections.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a transformer

 both Oc and SC tests are conducted on HV side
 OC test is conducted on HV side and SC test is conducted on LV side
 both OC and SC tests are conducted on LV side
 OC test is conducted on LV side and SC test is conducted on HV side

ANSWER DOWNLOAD EXAMIANS APP