Electrical Machines In which transformer, the tertiary winding is used? Delta - star Star - delta Star - star Delta - delta Delta - star Star - delta Star - star Delta - delta ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 440 V, 3-phase, 10 pole and 50 HZ synchronous motor delivering a torque of 50 N-m, delivers a power of 100W 500W 1000W 3000W 100W 500W 1000W 3000W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip test is performed to determine slip All of these positive sequence reactance and negative sequence reactance direct axis reactance and quadrature axis reactance slip All of these positive sequence reactance and negative sequence reactance direct axis reactance and quadrature axis reactance ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor has a rotor resistance of 0.002 Ω / phase. If the resistance is increased to 0.004 Ω / phase then the maximum torque will remain unaltered reduced to half increase by 100% increase by 200% remain unaltered reduced to half increase by 100% increase by 200% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field circuit of a DC shunt motor is opened The motor will attain dangerously high speed. The armature current will reduce. DC Shunt Motor The speed of motor will be reduced. The motor will attain dangerously high speed. The armature current will reduce. DC Shunt Motor The speed of motor will be reduced. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power factor of an induction motor operating at no load will have a value around 0.2 lead 0.9 lag unity 0.2 lag 0.2 lead 0.9 lag unity 0.2 lag ANSWER DOWNLOAD EXAMIANS APP
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