APPSC Textile Technology 13 March 2020 Question Paper with Answers Key

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APPSC Textile Technology 13 March 2020 Question paper with Answers Key- APPSC conducted Lecturers in Government Polytechnic Colleges (Engineering and Non-Engineering) in A.P Technical Education Service exam on 13 March 2020 FN from 10.00 AM to 12.30 PM. Here we are providing some of the questions asked in APPSC Textile Technology Paper.

India has a maximum number of textile……..?

Spinning mills

Air Bag fabric is produced on ……… Machines?

Rapier Waving Machine

SITP stands for…..?

Scheme for Integrated Textile Park

The Index of irregularity is the highest in case of?

Card Silver

The combination force decreases with?

Increase in pre-combing draft

The drape Coefficient does not increase with?

Lover fabric cover

Fibro graph is used to obtain?

Spain length

The twisting in winding operations are inseparable in?

ring spinning

Soil release finishes are most affective on?

Polyester

THPC is a ………..?

Flame retardant

Dye sublimation property is associated with?

Low molecular weight non- ionic dyes

APPSC Textile Technology 13 March 2020 Paper

Bi functional reactive dyes are characterised by?

High affinity, high reactivity

Nap Identification on AFIS is based on?

Optical Principle

The level of break draft required for strongly twisted roving is?

1.3 – 1.5

The periodic short time variation is defines as?

Wavelengths of 1 to 10 times of fibre length

In roving frame, the spindle top with grooves is used for?

Introducing false twist in roving

The top imported of wool from India (2018-19) was?

Australia

The standard atmosphere for the textile industry is?

R.H 65% + / – 2%, Centigrade + / – 2 degrees

Textile teasing machines are working on the principle of?

Constant rate of elongation, constant rate of Traverse and constant rate of loading

Pressley index can be circulated as?

PI = (force Ibf)  / (mass mg)

Air Permeability testing of fabrics does not consider?

Air permeability is linearly proportional to the square of air pressure

Textile Technology

APPSC Textile Technology 13 March 2020 Questions and answers

A flat bed screen printing machine is example of?

A semi continuous printing machine

A disperse reactive dye was primarily developed for?

Nylon

Jigger CANNOT be used for?

Printing

A printing paste is prepared with?

Thickener

A textile dye should have in its structure at least?

One Chromophore and one auxoxhrome

Compounds based on the combination of nitrogen and phosphorous are used as?

Flame retradants

The set containing Oxidative bleaching agent is?

Sodium hypochlorite and hydrogen peroxide

Softener reduces the bending rigidity of fabrics by reducing?

Inter fibre and Inter yarn friction

In hydrogen peroxide bleaching, the stabilizer used is?

Sodium silicate

Sodium Hypochlorite bleaching of cotton is carried out?

At Alkaline condition

APPSC Textile Technology 13 March 2020 paper with Key

Vegetable matter impurities in wool is removed by the process of?

Carbonisation

Yarn tension during unwinding is?

Low at full quill and low at empty quill

Stiffness of the fabric is measured by?

Flexural rigidity

A perpendicular laid non – woven?

exhibits high recovery from compression

Split dying system is employed on a sizing machine for a dying?

Very dense warp sheets

Increase in the taper angle on a sectional wrapping machine will require?

Decrease in the traverse speed

The oldest winding machine is?

Upright spindle winding machine

TUFS stands for…….?

Technology Upgradation Fund Scheme

It is easily minimise yarn to yarn tension variation in?

Beam warping

Salient feature of the Single – End – Sizing machine is?

Sizing of yarn sheet very low yarn density

APPSC Textile Technology Answers Key 13 March 2020

With  increase in guage length the tenacity of a spun yarn would?

Decrease

The first world Cotton day was hosted by the World trade Organisation on?

07 October, 2019 in Geneva

Which Country was the largest importer of Indian Cotton Fibre till 2013 -14?

China

Level of settings for nep on evenness tester is based on reference length of?

1mm

The cut squaring techniques of sampling of fibres is not applicable to?

Bale

The pilling property on fabric surface increases with?

Decrease in fibre strength

The tightness factor of the fabric will be …… when TEX = 30 and stich length = 0.39?

14

Which process reduces pilling of polyester fabric?

Singeing

Sodiuum alginate is the most suitable thickener for reactive dye printing on?

Cotton

The reactive bleaching species in sodium hypochlorite solution is?

OCI-

APPSC Textile Technology 13 March 2020 Full Question Paper & Key

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