Electrical Engineering XYZ MCQs Stability of a transmission line can be increased by: Correct answer: 3. Both 1 and 2
Electrical Engineering XYZ MCQ Which of the following is not base load power plant: Correct answer: 2. Pump storage Explanation: Pump storage is not a base load power plant. It is a type of hydroelectric power plant that can act as a form of energy storage. During periods of low electricity demand, excess energy from … Read more
Electrical Engineering XYZ MCQs Efficiency of thermal power plant can be mathematically calculated as: Correct answer: 4. Product of efficiencies of all stages Explanation: The efficiency of a thermal power plant can be mathematically calculated as the product of the efficiencies of its individual components. Among the options provided: The correct answer is: Product of … Read more
Electrical Engineering XYZ MCQs Operating time of pumped storage plant is: Correct answer: 1. Low Explanation: The operating time of pumped storage plant is low.
Electrical Engineering XYZ MCQs Asynchronous tie line is a: Correct answer: 1. DC transmission line
Electrical Engineering XYZ MCQs If sag in overhead power line increases, tension in the line: Correct answer: 3. Increase Explanation: When there is a sag in an overhead power line, it means that the line is not perfectly straight and has a downward curve due to its own weight and other environmental factors. As the … Read more
Electrical Engineering XYZ MCQs Characteristics of arc quenching medium include: Correct answer: 4. All of these Explanation: Arc quenching medium refers to the substance or material used to extinguish or suppress electrical arcs that may occur in electrical equipment. The characteristics of a suitable arc quenching medium typically include: Therefore, all of the mentioned characteristics … Read more
Electrical Engineering XYZ MCQs Which of the following faults is treated as external fault: Correct answer: 4. All of these Explanation: In summary, all the listed conditions (Over voltage, Failure of prime mover, and Failure of excitation) are treated as external faults in the context of power generation and distribution systems.
Electrical Engineering XYZ MCQs The type of connection that is employed for current transformers for protection ofDelta-Star connected 3-phase transformer: Correct answer: 2. Star-delta
Electrical Engineering XYZ MCQs Which of the following relays are used in protection of medium transmission lines: Correct answer: 2. Impedance relays Explanation: Impedance relays are commonly used for the protection of medium and long transmission lines. They operate based on the measurement of the impedance (resistance and reactance) of the line.