:-Ring opening polymerization
D:-Solution polymerization
Correct Answer:- Option-D

Question47:-Density of cotton fibre is approximately
A:-1.52 denier

B:-1.52 gftex

::1.52 3<

0:-1.52 पु ताल 3

Correct Answer:- Option-D
Question48:-Correct sequence of major steps for production of viscose fibre is

A:-Steeping-Shredding-Xanthation-Ageing-Dissolution-Ripening-Spinning
B:-Steeping-Dissolution-Xanthation-Shredding-Ageing-Ripening-Spinning
C:-Steeping-Shredding-Ageing-Xanthation-Dissolution. ing-Spinning
D:-Steeping-Xanthation-Shredding-Ageing-Dissolution-Ripening-Spinning

Correct Answer:- Option-C
Question49:-Which combination is not നട?
A:-PET - Tg = 79°C
B:-Viscose Rayon - Xc = 35%
C:-Polypropylene - Disperse Dyes
:-Nomex - Excellent Mechanical Properties
Correct Answer:- Option-D

Question50:-Which of the following statement is correct?
A:-Glauber salt is used in direct dye on cotton and acid dye on wool as a leveling agent

B:-Glauber salt is used in direct dye on cotton and acid dye on wool as an exhausting agent
C:-Glauber salt is used in direct dye on cotton as exhausting agent and acid dye on wool as leveling agent
D:-Glauber salt is used in direct dye on cotton as leveling agent and acid dye on wool as exhausting agent

Correct Answer:- Option-C
Question51:-Dispersing agent is used in disperse dye for polyester

A:-To make insoluble dye water soluble

B:-To increase the exhaustion of disperse dye
C:-To ensure level dyeing

D:-To prevent precipitation of disperse dye

Correct Answer:- Option-D
Question52:-Which is the true condition for reduction of vat dye?

A:-Redox potential of the dye bath must be higher than the dye
B:-Redox potential of the dye must be higher than the dye bath
C:-Redox potential of the dye and dye bath must be equal

D:-None of the above
Correct Answer:- Option-A
Question53:-CSP of yam is equal to the product of
கண வார்‌ றல and lea strength (Ibf}
B:-Yamn tex and lea strength (00)
C:-Yamn count (Ne} and lea strength (kaf)

D:-Yamn tex and lea strength (N}

Correct Answer:- Option-A
Question54:-The trash content of cotton as fed to a beater is 3.6%. The waste extraction is 1.5% of which 80% is trash. The

cleaning efficiency % of beater is
2:-24%
B:-33.3%
C:-48%
D:-66%
Correct Answer:- Option-B
Question55:-What type of hooks are preferentially removed in roller drafting?
A:-Leading
B:-Trailing
C:-Both sided
D:-Diagonal

Correct Answer:- Option-B
Question56:-Which of the following statements is comrect?