Power System - I (3140914) MCQs

MCQs of Mechanical Features and Design of Overhead Transmission Line

Showing 11 to 20 out of 108 Questions
1 2 3 4 5 6
11.
In India distribution of electric power is carried out through
(a) Wooden pole
(b) Steel pole
(c) RCC pole
(d) Both (b) and (c)
Answer:

Option (d)

12.
Which pole is bulky?
(a) Wooden pole
(b) Tubular steel pole
(c) RCC pole
(d) Rail pole
Answer:

Option (c)

13.
For installation of switchgear and power transformers, structure used is
(a) L type structure
(b) H type structure
(c) A type structure
(d) V type structure
Answer:

Option (b)

14.
Cross arms used in transmission line is made of
(a) Aluminum
(b) Copper
(c) Steel
(d) RCC
Answer:

Option (c)

15.
Conductors used in HV transmission lines are
(a) Stranded
(b) Solid
(c) Both (a) and (b)
(d) None of above
Answer:

Option (a)

16.
Conductors used in HV transmission lines are stranded because of
(a) Increased tensile strength
(b) Ease in handling
(c) Cheaper in cost
(d) Reduction in resistivity
Answer:

Option (b)

17.
Which type of copper wire is most suitable for power transmission?
(a) Soft drawn
(b) Medium drawn
(c) Hard drawn
(d) None of above
Answer:

Option (c)

18.
What is the correct sequence of decreasing order of material for line conductor in terms of electrical conductivity
1. Hard drawn copper
2. Cadmium copper
3. Aluminum
4. Galvanised steel
(a) 1, 2, 4, 3
(b) 2, 1, 4, 3
(c) 2, 1, 3, 4
(d) 1, 2, 3, 4
Answer:

Option (d)

19.
Which of the property has got higher value for aluminum over copper?
(a) Electrical resistivity
(b) Melting point
(c) Thermal conductivity
(d) Specific gravity
Answer:

Option (a)

20.
In overhead line conductor used is
(a) Copper conductor
(b) All aluminum conductor
(c) ACSR conductor
(d) None of above
Answer:

Option (c)

Showing 11 to 20 out of 108 Questions
1 2 3 4 5 6