A. current
B. voltage
C. power
D. None of the above
✅ The correct answer is option A.
Electrical Engineering MCQs
A D.C. generator works on the principle of____________?
A. Lenz’s law
B. Ohm’s law
C. Faraday’s law of electromagnetic induction
D. none of the above
✅ The correct answer is option C.
An SCR has three terminals viz ________________?
A. Cathode, anode, gate
B. Anode, cathode, grid
C. Anode, cathode, drain
D. None of the above
✅ The correct answer is option A.
In D.C. shunt motors as load is reduced__________________?
A. the speed will increase abruptly
B. the speed will increase in proportion to reduction in load
C. the speed will remain almost/constant
D. the speed will reduce
✅ The correct answer is option C.
For driving high inertia loads best type of induction motor suggested is_____________?
A. slip ring type
B. squirrel cage type
C. any of the above
D. none of the above
✅ The correct answer is option A.
In case of three core flexible cable the colour of the neutral is_________?
A. blue
B. black
C. brown
D. none of the above
✅ The correct answer is option A.
High tension cables are generally used up to_____________?
A. 11kV
B. 33kV
C. 66 kV
D. 132 kV
✅ The correct answer is option A.
The armature of D.C. generator is laminated to_______________?
A. reduce the bulk
B. provide the bulk
C. insulate the core
D. reduce eddy current loss
✅ The correct answer is option D.
The number of electrons in the outer most orbit of carbon atom is___________?
A. 3
B. 4
C. 6
D. 7
✅ The correct answer is option B.
In an induction motor if air-gap is increased__________?
A. the power factor will be low
B. windage losses will be more
C. bearing friction will reduce
D. copper loss will reduce In an induction motor
✅ The correct answer is option A.