SSC JE Electrical 2019 with solution SET-1 The ratio of average energy demand to maximum demand during a specific period in Load factor Form factor Utilization factor Power factor Load factor Form factor Utilization factor Power factor ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The ratio of average energy demand to maximum demand during a specific period is called the load factor.Load Factor = Average Load/Maximum Demand
SSC JE Electrical 2019 with solution SET-1 When the supply to the excitation fails, the synchronous generator acts like a/an Induction generator Synchronous generator Synchronous motor Induction motor Induction generator Synchronous generator Synchronous motor Induction motor ANSWER DOWNLOAD EXAMIANS APP
SSC JE Electrical 2019 with solution SET-1 Which of the following losses is together called iron losses? Hysteresis loss and copper loss Eddy current loss and frictional loss Hysteresis loss and frictional loss Eddy current loss and hysteresis loss Hysteresis loss and copper loss Eddy current loss and frictional loss Hysteresis loss and frictional loss Eddy current loss and hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
SSC JE Electrical 2019 with solution SET-1 Two decimal coils A and B of 1000 turns each lies in the parallel plane such that 80% of the flux produced by one coil links with the other. If a current of 5A flowing in A produces a flux of 0.05 mWb, then the flux linking with coil B is: 0.04 mWb 0.4 mWb 0.004 mWb 4 mWb 0.04 mWb 0.4 mWb 0.004 mWb 4 mWb ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Flux in coil A = 0.05 mWb = 5 × 10−5 wb = φANo. of turns NA = NB = 1000Flux linkage in a coil with B = Flux linkage in coil A × 80/100= 0.8 × 5 × 10−5= 4 × 10−5 wb =0.04 mwb
SSC JE Electrical 2019 with solution SET-1 At f = _____R – L – C series circuit operates at unity power factor 1/2π√LC 1/RC 1 ⁄ LC 1 ⁄ RLC 1/2π√LC 1/RC 1 ⁄ LC 1 ⁄ RLC ANSWER DOWNLOAD EXAMIANS APP
SSC JE Electrical 2019 with solution SET-1 Identify the important feature of a DC series motor Low starting torque Zero starting torque High starting torque Medium starting torque Low starting torque Zero starting torque High starting torque Medium starting torque ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In DC series motor Torque (Ta) increase as the Square of armature current (Ia) Ta ∝ Ia2. So DC motor provides high starting torque.
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