Maximum operating temperature of overhead line conductors

Q.  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.
- Published on 23 Nov 15

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.

ANSWER: A is true but R is false

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