Electrical Machines Copper brushes in DC machine are used None of these in both of above cases. where low voltage and high currents are involved. where high voltage and low current. None of these in both of above cases. where low voltage and high currents are involved. where high voltage and low current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, which component plays the vital role to produce the direct current? Commutator. Armature. Brush. Yoke. Commutator. Armature. Brush. Yoke. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The emf induced in a conductor rotating in a bipolar field is both of above. DC. None of these AC. both of above. DC. None of these AC. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ, 6 pole, 50 Hz IM is running at a full load speed of 980 rpm. If it delivers an air gap power of 98000 Watt, calculate the rotor ohmic loss? 980 Watt. 1960 Watt. 1920 Watt. 1800 Watt. 980 Watt. 1960 Watt. 1920 Watt. 1800 Watt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A differentially compound motor under high-over-load conditions will behave like a / an cummulative compound motor. shunt motor. series motor. AC synchronous motor. cummulative compound motor. shunt motor. series motor. AC synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction effect is more in which of the following methods? field weakening method armature resistance control None of these same in both methods field weakening method armature resistance control None of these same in both methods ANSWER DOWNLOAD EXAMIANS APP
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