Overhead telephone wires are made of?

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1 Answer

Answer :

Overhead telephone wires are made of steel.

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In extractive distillation, solvent is (A) Added to alter the relative volatility of the mixture (B) Of high volatility (C) Present in overhead stream (D) Of high viscosity to give high tray efficiency

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In batch distillation with constant reflux, overhead product composition __________ with time. (A) Increases (B) Decreases (C) Does not vary (D) May increase on decrease, depends on the system

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In distillation, overhead product contains (A) Only one component (B) Two components (C) Any number of components (D) Only saturated liquid

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