Power System Protection MCQs Part 11

7-protection-elements-in-power-distribution-networks

Power System Protection MCQs Part 11. The most dangerous fault in an alternator is The most dangerous fault in an alternator is: Stator winding fault Failure of field Unbalanced load Prime mover failure Correct answer: 1. Stator winding fault If failure of alternator takes place in alternator, then it If failure of alternator takes place … Read more

Electrical Power Generation MCQs Part 11

Electrical Power Generation MCQs Part 11. Electrical Engineering MCQs on Power Generation. The primary source of energy is The primary source of energy is: Water Sun Coal Air Correct answer: 2. Sun The cleanest power plant is The cleanest power plant is: Diesel power plant Nuclear power plant Hydroelectric power plant Steam power plant Correct … Read more

DC Motor MCQs Part 2

DC Motor MCQs Part 2 Which of following is a variable speed DC motor Which of following is a variable speed DC motor: Cumulatively compounded DC Motor Differentially compounded DC Motor Shunt DC Motor Series DC Motor Correct answer: 4. Series DC Motor When the speed of a DC motor increases, the armature current When … Read more

Induction Motor MCQs Part 8

Induction Motor MCQs Part 8. Multiple choice questions on Induction motor with brief explanatory answers and solutions. If one of the lines of a 3 phase induction motor is interchanged, next to that If one of the lines of a 3 phase induction motor is interchanged, next to that: Flux speed increases Flux speed decreases … Read more

DC Motor MCQs Part 1

DC Motor MCQs Part 1 A DC Motor converts A DC Motor converts: DC power to AC power DC to Mechanical Power Mechanical Power to DC AC power to DC power Correct answer: 2. DC to Mechanical Power Carbon brushes are preferable over copper brushes since Carbon brushes are preferable over copper brushes since: They … Read more

Induction Motor MCQs Part 6

Induction motor MCQs Part 6 The outer cage winding in the double squirrel cage induction motor has The outer cage winding in double squirrel cage induction motor has: Low resistance High resistance High inductance None of these Correct answer: 2. High resistance For a 3-phase induction motor, the mechanical power developed in terms of air … Read more