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Textile Engineering and Fibre Science Question on Classification of dyes

In a discharge printing process, two dyes of different colours, one with high dischargeability (HD) and another with low dischargeability (LD), are to be considered. The correct statement regarding the selection of dyes is

A

LD can be used only as illuminant colour but HD cannot be used either as ground or as illuminant colour

B

HD can be used only as ground colour but LD cannot be used either as ground or as illuminant colour

C

LD can be used only as ground colour and HD can be used only as illuminant colour

D

HD can be used only as ground colour and LD can be used only as illuminant colour

Answer

HD can be used only as ground colour and LD can be used only as illuminant colour

Explanation

Solution

The correct option is (D):HD can be used only as ground colour and LD can be used only as illuminant colour