Electrical Machines The breakdown torque of a synchronous motor varies as 1/V² V² applied voltage V 1/V 1/V² V² applied voltage V 1/V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power developed in a cylindrical synchronous machine depends on load angle both 1and 2 synchronous reactance excitation load angle both 1and 2 synchronous reactance excitation ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The teeth in the armature of a DC machines are sometimes skewed. This is done to reduce copper loss. vibrations. eddy electric current loss. hysteresis loss. copper loss. vibrations. eddy electric current loss. hysteresis loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which method is less recommendable for induction motor starting in the industries? Auto transformer starting. Stator resistance starting. Rotor resistance starting. Direct online starting. Auto transformer starting. Stator resistance starting. Rotor resistance starting. Direct online starting. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Lamination of transformer core is made of cast iron. cast steel. silicon steel. wrought iron. cast iron. cast steel. silicon steel. wrought iron. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If s is the slip and f is the supply frequency of an induction motor, the frequency of rotor current is given by sf. f / s. s2. sf / 2. sf. f / s. s2. sf / 2. ANSWER DOWNLOAD EXAMIANS APP