Stringing Chart and Sag Template - MCQs with answers

Stringing Chart and Sag Template - MCQs with answers

Q1. Why is stringing chart useful?

a. For finding the sag in the conductor.
b. In the design of insulator string.
c. In the design of tower
d. To find the distance between the towers.

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For Questions 2 and 3 refer to the graph.



Q2. Which line represents the tension in the given graph?

a. I
b. II
c. III
d. IV

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Q3. In the above graph which curve represents the sag?

a. I
b. II
c. III
d. IV

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Q4. Hot template curves are a plot between?

a. Temperature and humidity.
b. Conductors sag and span lengths.
c. Conductor weight and sag.
d. None of the above.

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Q5. Galloping in transmission line conductors arises due to

a. Asymmetrical layers of ice formation.
b. Vortex phenomenon in light winds.
c. Heavy weight of the line conductors.
d. Adoption of horizontal conductor configuration.

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Q6. Frequency of aeoline vibrations is given by -

a. f_α = 2 * (V_p / d) * 1000
b. f_α = 2 * (V_p * d) * 1000
c. f_α = 2 / (V_p * d) * 1000
d. f_α = 2 / (V_p / d) * 1000

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Q7. What are the different types of vibrations in the vertical plane?

a. Aeoline vibrations.
b. Galloping.
c. Both (a) and (b).
d. None of these.

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