List of practice Questions

A cotton yarn of 20 tex count is replaced by a polyester yarn such that both the yarns have the same diameter and the same packing density. Assuming densities of cotton and polyester fibres as 1.52 g/cm\(^3\) and 1.38 g/cm\(^3\), respectively, the count (tex) of the polyester yarn (rounded off to 2 decimal places) is ________________.
A knitted fabric is prepared from a yarn of 15 tex count. The fabric has 16 courses/cm, 17 wales/cm and 2.6 mm loop length. The areal density (g/m\(^2\)) of the fabric (rounded off to the nearest integer) is ________________.
A 59.05 Ne cotton yarn, a 20 tex polyester/cotton blended yarn and a 90 denier polyester filament are twisted together to obtain a 3-ply yarn. Assuming there is no twist contraction, the resultant count (Ne) of the 3-ply yarn (rounded off to 2 decimal places) is____
With reference to Shirley stiffness tester, the relationship between the fabric bending length (C) and the overhanging length (L) at the standard angle of deflection of 41.5° is approximately
An evenness tester, working on capacitance principle, provides
Amongst the following, the chemical used for bleaching of cotton fabric in acidic medium is
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
Amongst the following, the nitrogen containing fibre(s) is/are
Amongst the following, the correct condition(s) that will reduce bumping during weaving is/are
The differential equation \( \frac{dy}{dx} = \frac{M(x,y)}{N(x,y)} \) is exact if _______. (
Amongst the following polymers, the one with the lowest glass transition temperature is
Amongst the following fibre forming polymers, the one which is synthesised by chain growth polymerisation is
The purpose of opening in blowroom is
Amongst the following, forward as well as reverse rotary motion in cotton combing is given to
Which of the following steps in food processing is/are used to reduce the acrylamide formation in food products?
Which of the following enzymes is/are used for the production of high fructose syrup (HFS) from corn starch?
Which of the following is/are typical characteristic(s) of a fungal cell?
Which of the following statements is/ are correct regarding food and water borne disease and the class of causative microorganisms?
Which of the following statements is/are true?
The product of cabbage fermentation by Leuconostoc mesenteroides is
Which one of the following absorbents is NOT used as an ethylene absorber in active packaging of fruits and vegetables?
Which one of the following statements regarding moisture sorption isotherms of a dried food is NOT correct?
Processing of fluid milk at 72 °C for 15 seconds is termed as
Match the anti-nutritional factor in Column I with their corresponding activity given in Column II.
Column IColumn II
(P) Lectin 1 Total amount of produced by autotrophs energy
(Q) Stachyose  2Chelates with divalent cations and reduces their bio-availability 
(R) Phytate 3Inhibits trypsin and chymotrypsin 
(S) Knuitz type inhibitor 4Hemagglutination 
Which of the following fatty acids is/are known to increase the low density lipoprotein (LDL)-cholesterol?