Electrical Power Transmission MCQs - Quiz 1

1. A power transmission system is a medium through which ___ energy is transferred from generating stations to load centers.
A) Electrical
B) Mechanical
C) Chemical
D) All of above

The correct answer is A

2. ___ is not used for transmission of electrical power.
A) Steel
B) Aluminum
C) Tungsten
D) Copper

The correct answer is C

3. Galvanised steel is generally used in ___
A) Earthing
B) Stay wire
C) Structure components
D) All of the above

The correct answer is D

4. The corona is considerably affected by ___ of conductor.
A) Shape
B) Size
C) Surface condition
D) All of the above

The correct answer is D

5. A 280 km line falls in category of ___ transmission lines.
A) Short
B) Medium
C) Long
D) None of the above

The correct answer is C

6. The phenomenon of rise in voltage at the receiving end of the open circuited or lightly loaded line is called ___
A) Faraday effect
B) Maxwell effect
C) Skin effect
D) Ferranti effect

The correct answer is D

7. The square root of the ratio of line impedance and shunt admittance is called ___ of the line.
A) Inductance
B) Surge impedance
C) Conductance
D) Regulation

The correct answer is B

8. The conductors in the overhead lines are
A) Stranded
B) Solid
C) Both stranded and solid
D) None of the above

The correct answer is C

9. _____ transmission lines are higher than 800 kV.
A) MV Medium Voltage
B) HV High Voltage
C) EHV Extra High Voltage
D) UHV Ultra High Voltage

The correct answer is D

10. High voltage transmission lines use ___
A) suspension insulators
B) pin insulators
C) Both A & B
D) None of the above

The correct answer is A