Testing and Commissioning of Electrical Equipments (2180901) MCQs

MCQs of Transmission line

Showing 21 to 30 out of 78 Questions
1 2 3 4 5 6
21.
Which of the following maintenance of overhead transmission line is mostly unscheduled?
(a) patrolling from the ground
(b) Inspection from top
(c) shut-down period inspection
(d) other work
Answer:

Option (d)

22.
Which is/are the disadvantages of HVDC Transmission line?
(a) DC Circuit breaker is less reliable
(b) Need Converters - High Cost and Harmonic and ripple
(c) No reactive power
(d) All of these
Answer:

Option (d)

23.
Which is/are the configuration of the HVDC transmission line?
(a) Monopolar link
(b) Bipolar Link
(c) Homopolar Link
(d) All of these
Answer:

Option (d)

24.
_________ is the first HVDC line in India with _________ MW, approx __________ km,
(a) Rihand-Dadri, 15000, 800
(b) Chandrapur-Padge, 1500, 750
(c) Talcher-Kolar, 2000, 1350
(d) Ballia-Bhiwandi, 2500, 780
Answer:

Option (a)

25.
Type of structure used for LT and 11 kV line
(a) Wooden Poles
(b) Steel (Tubular) Poles
(c) Reinforced Concrete (RCC) Poles
(d) all of these
Answer:

Option (d)

26.
Where wooden poles are used?
(a) LT distribution network
(b) Span up to 50 m
(c) rural area
(d) All of these
Answer:

Option (d)

27.
Which of the following distribution system poles has less life, strength and voltage level?
(a) Wooden Poles
(b) Steel (Tubular) Poles
(c) Reinforced Concrete (RCC) Poles
(d) All of these
Answer:

Option (a)

28.
Where Steel (Tubular) Poles are used?
(a) LT distribution network
(b) Span up to 80 m
(c) city area
(d) All of these
Answer:

Option (d)

29.
The surface of steel poles is galvenised or painted to prevent ______________________
(a) rusting and corrosion
(b) flashover
(c) lightning
(d) All of these
Answer:

Option (a)

30.
Why Reinforced Concrete (RCC) Poles are more famous?
(a) greater mechanical strength
(b) longer life
(c) good appearance
(d) All of these
Answer:

Option (d)

Showing 21 to 30 out of 78 Questions
1 2 3 4 5 6