Electrical Machines Fufuraldehyde analysis is done to determine the condition of cork gaskets used in transformer. condition of lamination on CRGO steel sheet. condition of paper insulation in transformer. condition of oil in transformer. condition of cork gaskets used in transformer. condition of lamination on CRGO steel sheet. condition of paper insulation in transformer. condition of oil in transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a single phase induction motor driving a fan load, the reason for having a high resistance rotor is to achieve low starting torque. quick acceleration. reduced size. high efficiency. low starting torque. quick acceleration. reduced size. high efficiency. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc shunt generator, when commissioned after a major repair of the field system, failed to build Up voltage. It was because field winding was wrongly connected field system lost residual magnetism there was a break in the armature circuit field resistance was higher than critical resistance field winding was wrongly connected field system lost residual magnetism there was a break in the armature circuit field resistance was higher than critical resistance ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 6 pole lap connected DC generator with 480 conductors has armature resistance of 0.06 Ω. If the conductors are reconnected to from a wave winding other things remaining unchanged, the value of armature resistance will be 0.54 Ω. 0.06 Ω. 0.01 Ω. 0.54 Ω. 0.54 Ω. 0.06 Ω. 0.01 Ω. 0.54 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machines shape of net flux density is? peaky in nature saddle shape sine wave flat tapped or trapezoidal peaky in nature saddle shape sine wave flat tapped or trapezoidal ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous generator V curve is drawn between field current on Y-axis and armature current on X-axis. field current on X-axis and armature current on Y-axis. either of these. field current on X-axis and power factor on Y-axis. field current on Y-axis and armature current on X-axis. field current on X-axis and armature current on Y-axis. either of these. field current on X-axis and power factor on Y-axis. ANSWER DOWNLOAD EXAMIANS APP