D:-Sericulture
Correct Answer:- Option-D

Question39:- dyes are generally prepared by thionation of aromatic hydro carbons containing hydroxyl, nitro and
amino groups.

A:-Acid
-Mordant
C:-Dispersed
D:-Sulphur
Correct Answer:- Option-D
Question40:-Crank shaft is employed in
A:-Handloom
-Ring frame
C:-Power loom
D:-Jigger
Correct Answer:- Option-C
Question41:- is used as a thickening agent in the printing paste.
A:-Gum Tragacanth
B:-NaOH
C:-Glaubers Salt
D:-Calcium Chloride
Correct Answer:- Option-A
Question42:- is the process of removing protruding fibers from the yarn.
A:-Scouring

D:-Oxidising
Correct Answer:- Option-B
Question43:-The first process in the application of vat dye is
A:-Oxidation
B:-Bleaching
C:-Vatting
D:-Chlorination
Correct Answer:- Option-C
Question44:-Sulphur dyes are converted into water soluble leuco forms by treatment with dilute aqueous
A:-Sodium carbonate
-Acetic acid
C:-Sodium sulphide
D:-Sodium bicarbonate
Correct Answer:- Option-C
Question45:-The unit of micronaire value of a fibre is
A:-Centimeter
B:-Grams/meter
C:-Micrograms/inch
D:-Inch/grain
Correct Answer:- Option-C
Question46:-The function of urea in the printing paste of direct dyeis _ ___
A:-Solvent
B:-Anti-septic
C:-Thickening agent
D:-Tinting agent
Correct Answer:- Option-A
Question47:- printing is a resist style printing.
A:-Batik
B:-Screen
C:-Roller
D:-Stencil
Correct Answer:- Option-A
Question48:-Solublised vat dyes are salts of sulphuric acid esters of leuco vat dyes.
A:-Calcium