Transmission and Distribution MCQ Test - Set 02 - ObjectiveBooks

Transmission and Distribution MCQ Test - Set 02

Practice Test: Question Set - 02

1. Most of the high voltage transmission lines in India are
    (A) Underground
    (B) Overhead
    (C) Either of the above
    (D) None of the above

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

3. A uniformly loaded D.C. distributor is fed at both ends with equal voltages. As compared to a similar distributor fed at one end only, the drop at the middle point is
    (A) One-fourth
    (B) One-third
    (C) One-half
    (D) Twice

4. Which of the following is not a constituent for making porcelain insulators?
    (A) Quartz
    (B) Kaolin
    (C) Felspar
    (D) Silica

5. In aluminium conductors, steel core is provided to
    (A) Compensate for skin effect
    (B) Neutralise proximity effect
    (C) Reduce line inductance
    (D) Increase the tensile strength

6. For transmission of power over a distance of 200 km, the transmission voltage should be
    (A) 132 kV
    (B) 66 kV
    (C) 33 kV
    (D) 11 kV

7. When the interconnector between two stations has large reactance
    (A) The transfer of power will take place with voltage fluctuation and noise
    (B) The transfer of power will take place with least loss
    (C) The stations will fall out of step because of large angular displacement between the stations
    (D) None of the above

8. The skin effect of a conductor will reduce as the
    (A) Resistivity of conductor material increases
    (B) Permeability of conductor material increases
    (C) Diameter increases
    (D) Frequency increases

9. By which of the following systems electric power may be transmitted?
    (A) Overhead system
    (B) Underground system
    (C) Both (A) and (B)
    (D) None of the above

10. The square root of the ratio of line impedance and shunt admittance is called the
    (A) Surge impedance of the line
    (B) Conductance of the line
    (C) Regulation of the line
    (D) None of the above

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