Aluminium Conductor Steel Reinforced Conductors - MCQs with answers

Aluminium Conductor Steel Reinforced Conductors - MCQs with answers

Q1. When steel is reinforced what happens to the composite conductor?

a. 35 % more compared with equivalent weight of copper.
b. 25 % more compared with equivalent weight of copper.
c. 25 % less compared with equivalent weight of copper.
d. 35 % less compared with equivalent weight of copper.

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Q2. Why is A.C.S.R conductor used as the replacement or substitute for copper?

a. Higher current carrying capacity.
b. Economy.
c. Being less weight.
d. Higher tensile strength.

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Q3. What is the function of steel wire in A.C.S.R conductors?

a. Compensate for skin effect.
b. Takes care of surges.
c. Reduced capacitance and inductance.
d. Provide additional mechanical strength.

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Q4. Why grease is put between steel and aluminium conductors?

a. To reduce the corrosion by electrolytic action.
b. To reduce friction between the strand.
c. To eliminate the air gaps.
d. To reduce the leakage of current.

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Q5. What is the general ratio of the cross sectional area of the two metals used in the A.C.S.R conductors?

a. 1 : 8
b. 1 : 4
c. 4 : 3
d. 2 : 1

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Q6. Assertion (A): The maximum operating temperature of overhead line conductors made of aluminium or copper is restricted to 75 °C.
Reason (R): conductors beyond this limit may shatter the insulator.

a. Both A and R are true and R is the correct explanation of A
b. Both A and R are true and R is not the explanation of A
c. A is true but R is false
d. A is false but R is true.

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