Electrical Machines For which of the following loads, armature reaction is magnetizing in nature? pure capacitive load pure inductive load None of these pure resistive load pure capacitive load pure inductive load None of these pure resistive load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 230 V dc series generator is driven at its rated speed. The no-load voltage across its armature terminals would be somewhat more than 230 V 6 V somewhat less than 230 V 230 V somewhat more than 230 V 6 V somewhat less than 230 V 230 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC motors has got maximum relieving property? Cummulative compound. Series. Differentical compound. Shunt. Cummulative compound. Series. Differentical compound. Shunt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines There are two 2-pole DC machines. Main field axis of machine A is horizontal and that of B is vertical. It is preferable to purchase none of these machine A any of the two machines machine B none of these machine A any of the two machines machine B ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ induction motor draws an current of 50 A from mains when starts by direct switching. If an auto transformer with 60 % tapping is used for starting the current drawn from the mains will be 50. 18. 36. 80. 50. 18. 36. 80. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines With the increases in field excitation of a DC generator, its generated emf increases. decreases. increases upto a limit and then remains almost constant. remains constant. increases. decreases. increases upto a limit and then remains almost constant. remains constant. ANSWER DOWNLOAD EXAMIANS APP
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