This set of Power Systems Multiple Choice Questions & Answers (MCQs) focuses on “Distribution Systems – 1”. 1. A transmission and distribution engineer needed to design the sub transmission substation. The tapping component needed will be _______________ a) feeder b) distributor c) transmitter s) tap-changing transformer 2. While designing the distribution to locality of one … Read more
This set of Power Systems Questions and Answers for Campus interviews focuses on “Comparison of Angle and Voltage Stability – 2”. 1. For a given system consisting of two generators Units Rating(MW) Speed Drop(%R) 1. 400 0.04 2. 800 0.05 The units share load of P1=200MW and P2=600MW. The units … Read more
This set of Power Systems Multiple Choice Questions & Answers (MCQs) focuses on “Comparison of Angle and Voltage Stability – 1”. 1. For the figure depicting the two generators connected via the transmission line having and impedance ‘jX’ ohms. Machine A at voltage Va at angle δ will supply active power to machine B at … Read more
This set of Power Systems Questions and Answers for Entrance exams focuses on “Line Compensation – 2”. 1. If a line is considered with negligible power losses, then the real power transmitted will be proportional to voltage drop and the reactive power drop is proportional to cosδ. a) True b) False 2. If a line … Read more
This set of Power Systems Multiple Choice Questions & Answers (MCQs) focuses on “Line Compensation – 1”. 1. The instantaneous voltage wave in the long transmission line is a function of _____________ a) time and distance b) time c) distance d) time, distance and reactive inductance 2. At any point along the line, the instantaneous … Read more
This set of Power Systems Question Bank focuses on “Comparison of Faults in Three Phase System – 2”. 1. The zero sequence depiction of the unbalancing occurring at the terminals of the induction motor will be most likely _____________ a) b) c) d) 2. Complete the given phasor diagram by assuming that operator ‘a’ is … Read more
This set of Power Systems Multiple Choice Questions & Answers (MCQs) focuses on “Comparison of Faults in Three Phase System – 1”. 1. A three phase transformer has a name plate details of 30 MVA and voltage rating of 230Y kV/69∆ kV with a leakage reactance of 10% and the transformer connection via wye-delta. Taking … Read more
This set of Power Systems online quiz focuses on “Symmetrical Component Transformation – 2”. 1. The transmission line equations are given by the below set of equations based on the line diagram as given. Identify A and B parameters. Vs = A*Vr+B*Ir Is = C*Vr+D*Ir a) 1+YZ, Z b) Z,Y c) Y, 1+YZ d) 1+YZ, … Read more
This set of Power Systems Multiple Choice Questions & Answers (MCQs) focuses on “Symmetrical Component Transformation – 1”. 1. The receiving end active power for a short transmission line is (where the angles have their usual meanings) 2. The receiving end reactive power for a short transmission line is (where the angles have their usual … Read more
This set of Power Systems Multiple Choice Questions & Answers (MCQs) focuses on “Short Circuit of a Synchronous Machine (No Load)”. 1. Transient in synchronous generator is similar to which of the following circuit? a) Parallel RLC circuit b) Series RLC circuit c) Series RL circuit d) Parallel RL circuit 2. When all three phases … Read more
