Electrical Machines The heat generated in the transformer is dissipated mainly by convection. radiation. All of these conduction. convection. radiation. All of these conduction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In salient pole synchronous machine, the reluctance power varies as sinδ cosδ sin2δ cos2δ sinδ cosδ sin2δ cos2δ ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 240 V dc series motor takes 40 A when giving its rated output at 1500 rpm. Its resistance is 0.3 Ω. The value of resistance which must be added to obtain rated torque at 1000 rpm is 5.7 Ω 2.2 Ω 6 Ω 1.9 Ω 5.7 Ω 2.2 Ω 6 Ω 1.9 Ω ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor electromotive force of the IM is observed to make 100 complete alterations per minute, calculated slip 3.33 %. 0 .001 %. None of these 3 %. 3.33 %. 0 .001 %. None of these 3 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The commutator segments of DC machines are made up of brass hard-drawn copper copper copper alloy brass hard-drawn copper copper copper alloy ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If B is flux density, l the length of the conductor and v the velocity of the conductor, then emf is given by Blv2. Blv. Bl2v2. Bl2v. Blv2. Blv. Bl2v2. Bl2v. ANSWER DOWNLOAD EXAMIANS APP