Electrical Engineering MCQs for competitive tests, job tests, university exams are provided on various Electrical and Electronics topics.
Electrical Engineering MCQ In Kaplan turbine runner, the number of blades is generally of the order of: Correct answer: 2. 3-6 Explanation: The Kaplan turbine is a propeller-type water turbine which has adjustable blades. Kaplan turbine was developed in 1913 by Austrian professor Viktor Kaplan, who combined automatically adjusted propeller blades with automatically adjusted wicket … Read more
Making current is actually the: Correct answer: 1. Peak value Explanation: Making current is defined as the peak value of current (including DC component) during the first cycle of current wave after the closure of circuit breaker is known as making capacity.
Electrical Engineering MCQ Advantage of per unit system as compare to absolute system: Correct answer: 4. All of these Explanation: The application of per unit system reduces calculation time, it needs less memory and only one equation is required.
Per unit of any quantity is defined as: Correct answer: 2. Actual value of quantity/Base value of quantity in same units
The draw back of Newton-Raphson (NR) method as compared to Gauss-Seidel method is: Correct answer: 2. High computer memory required Explanation: High Computer Memory is Required in case of Newton-Raphson (NR)
Radio interference occurs in telecommunication lines because of: Correct answer: 3. Both of these Explanation:
MCB stands for: Correct answer: 2. Miniature circuit breaker Explanation: MCB stands for “Miniature Circuit Breaker.” An MCB is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by an overload or short circuit. It is called “miniature” because it is smaller in size compared to traditional circuit breakers, which … Read more
The rating of CB is in terms of: Correct answer: 3. Current
If a fault occurs on any feeder, the fault current is _______ unsectional busbar: Correct answer: 1. Much lower than
Calorific value of solid fuels is expressed as: Correct answer: 4. cal/gm Explanation: Calorific value is commonly expressed in calories per gram for solid fuels. It represents the amount of heat produced when one gram of the fuel is completely burned.