Electrical Machines A DC generator without commutator is a induction motor DC motor DC generator AC generator induction motor DC motor DC generator AC generator ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is/are the advantages of parallel operation of alternators? All of these continuity supply is maintained Increase efficiency under light load conditions Increase in reliability All of these continuity supply is maintained Increase efficiency under light load conditions Increase in reliability ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by a DC motor at the time of starting is Very low. Very high. Zero. Normal. Very low. Very high. Zero. Normal. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Synchronous reactance of an alternator represents All of these a reactance operating at synchronous speed armature reactance and leakage reactance field winding reactance All of these a reactance operating at synchronous speed armature reactance and leakage reactance field winding reactance ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine, 1. physically, the brush axis is along the direct axis 2. physically, the brush axis is along the interpolar axis 3. schematically, the brush axis is along the direct axis 4. schematically, the brush axis is along the quadrature axis 5. armaturemmf is directed along the brush axis From these, the correct statements are 1, 4,5 2, 4, 5 2, 3, 5 1 , 3, 5 1, 4,5 2, 4, 5 2, 3, 5 1 , 3, 5 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutators in DC machines have a role of which converts AC to DC. Both AC to DC and DC to AC. none of these. high voltage DC to low voltage DC. AC to DC. Both AC to DC and DC to AC. none of these. high voltage DC to low voltage DC. ANSWER DOWNLOAD EXAMIANS APP
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