Electrical Machines Which of the following statements are correct ? The leakage reactance of the induction motor should be small. None of these A small value of leakage reactance will increase the maximum power output of motor. Both 1 and 2. The leakage reactance of the induction motor should be small. None of these A small value of leakage reactance will increase the maximum power output of motor. Both 1 and 2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The polarity of a DC generator can be reversed by increasing field current. reversing the field current. any of above. reversing field electric current as well as direction of rotation. increasing field current. reversing the field current. any of above. reversing field electric current as well as direction of rotation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction in a DC machine is in direct opposition to the main poles. makes an angle with the main pole axis which is load dependent. makes an angle of 90° with the main pole axis. is in the same direction as the main poles. is in direct opposition to the main poles. makes an angle with the main pole axis which is load dependent. makes an angle of 90° with the main pole axis. is in the same direction as the main poles. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hunting in a synchronous motor takes place when supply voltage fluctuates. when load varies. motor is under loaded. when power factor is unity. when supply voltage fluctuates. when load varies. motor is under loaded. when power factor is unity. ANSWER DOWNLOAD EXAMIANS APP
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 230 V some what less than 230 V some what more than 230 V not possible 230 V some what less than 230 V some what more than 230 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor has more stability both motors has same stability salient pole motor None of these cylindrical motor both motors has same stability salient pole motor None of these cylindrical motor ANSWER DOWNLOAD EXAMIANS APP
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