Electrical Machines
A DC shunt generator builds up 230 V when driven in clockwise direction. In case it is driven in anti clockwise direction, other things remaining unchanged, then the voltage build up is

 not possible
 some what more than 230 V
 230 V
 some what less than 230 V

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In the 3-phase induction motor, the resultant flux is of a constant nature and is

 3 times maximum value of flux due to any phase
 equal to φm, where φm is the maximum flux due to any phase
 3/2 times maximum value of flux due to any phase
 1/2 times maximum value of flux due to any phase

ANSWER DOWNLOAD EXAMIANS APP