EHVDC AND AC MCQ AKTU
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EHVDC AND AC MCQ
1) Which among these HVDC projects are commissioned in
India?
a. Rihand – Delhi HVDC
b. Vindhyachal Back to Back only
c. Chandrapur only
d. All of these
2) At what location are the shunt capacitors installed
for voltages above 33 kV and above?
a. Are located near the motors
b. Are installed in distribution substations
c. Both (A) and (B)
d. None of these
3) What is meant by Creepage Distance?
a. Shortest distance between two conducting parts along a
stretched string.
b. Shortest distance between two conducting parts along the surface of
the insulating material.
c. Distance between ground and the highest earthed point on the
equipment.
4) Which among these is a part of HVDC link?
a. Two earth electrodes
b. Converter valves
c. Bipolar DC line
d. All of these
5) At what level is the load shedding carried out?
a. Distribution level
b. Transmission level
d. Depending upon the load
6) Which place is the ‘Regional load dispatch centre’
for the western region in the national grid?
a. Mumbai
b. Bhopal
c. Ahmadabad
7) What type of insulation is preferred for DC smoothing
Reactors?
a. Oil
b. Paper
c. Air
8) Which method of voltage control is applied for long
line AC transmissions?
a.
Switching by shunt reactors
b. Switching by shunt capacitors
c. Tap changing
transformers
9) Voltage regulation of a short transmission line is
a. always negative
b. always positive
c. either positive, negative, or
zero
10) For what voltage is Twin conductor bundle used in
India?
a. 330 kV
b. 500 kV
c. 250 kV
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