Electrical Machines Which of following components of a DC generator plays vital role for providing direct electric current of a DC generator? Equalizer rings. Eye bolt. Commutator. Dummy coils. Equalizer rings. Eye bolt. Commutator. Dummy coils. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following generators negative voltage regulation can occur? both B and C shunt generator over compound generator series generators both B and C shunt generator over compound generator series generators ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If an induction machine is run at above the synchronous speed it acts as an induction generator a synchronous motor None of these an induction motor an induction generator a synchronous motor None of these an induction motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ward Leonard control is provides speed control Above rated speed. Below rated speed. In both direction. In one direction only. Above rated speed. Below rated speed. In both direction. In one direction only. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If iron loss and full load copper loss of any transformer are denoted by Pi and Pc, then the load corresponding to maximum efficiency is given by (Pi / Pc)1.6 × full Load. (Pi / Pc)0.5 × Full Load. (Pi / Pc) × full Load. (Pi / Pc)2 × full Load. (Pi / Pc)1.6 × full Load. (Pi / Pc)0.5 × Full Load. (Pi / Pc) × full Load. (Pi / Pc)2 × full Load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer, hysteresis and eddy current losses depend upon both 2 and 3 maximum flux density load current supply frequency both 2 and 3 maximum flux density load current supply frequency ANSWER DOWNLOAD EXAMIANS APP
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