EEE MCQ: Transmission of Electrical Energy - E Tips BD

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Monday, August 10, 2015

EEE MCQ: Transmission of Electrical Energy

EEE Interview Tips. Important MCQ of Power Transmission. Click "Answer", find right Answer-

Answer লেখা ইমেজে ক্লিক করলে উত্তর অপশন দেখাবে।
1) As a matter of economy, voltage for power transmission should be-
A) low
B) high
C) medium
D) none of this options

2) When transmission voltage level is increased, the line losses are.....
A) decreased
B) increased
C) remain same
D) none of this options

3) High voltage transmission lines use-
A) pin insulators
B) suspension insulators
C) both of above option
D) none of this options

4) Which of the following methods is used for laying of underground cables?
A) Direct laying
B) Solid system
C) Draw-in-system
D) All of the above

5) Which of the following relays is used on long transmission lines?
A) Mho's relay
B) Impedance relay
C) Reactance relay
D) None of above.

6) The economic size of a conductor is determined by....
A) Ohm's law
B) Kelvin's law
C) Kirchhoff's law
D) none of above

7) In Bangladesh, the transmission of electrical power is made by....
A) 3-phase, 4-wire system
B) 3-phase, 3-wire system
C) 1-phase system
D) 6-phase system

8) The most common fault of an overhead transmission line is...
A) single line to ground fault
B) line to line fault
C) three phase short circuit fault
D) None of above

9) The Corona is considerably affected by which of the following?
A) Shape of the conductor
B) Size of the conductor
C) Surface condition of the conductor
D) All of the above

10) In the analysis of which of the following lines shunt capacitance is neglected?
A) Short transmission lines
B) Medium transmission lines
C) Long transmission lines
D) none of above

11) Which of the following is not the trans­mission voltage in Bangladesh ?
A) 33kV
B) 132kV
C) 230kV
D) 400kV

12) Boosters are basically
A) transformers
B) inductors
C) capacitor
D) synchronous motors.

13) Squirrel cage bars placed in the rotor pole facts of an alternator help reduce hunting
A) above and below synchronus speed
B) Below synchronus speed
C) above synchronus speed
D) none above

14) The fact that a conductor carries more current on the surface as compared to core, is known as
A) skin effect
B) unsymmetrical fault.
C) permeability
D) corona

15) The current drawn by the line due to corona losses is
A) sinusoidal
B) non-sinusoidal
C) square
D) none of above

See more 50 MCQ of AC Generator

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