OBJECTIVE QUESTION

MULTIPLE CHOICE QUESTION

Q1  Tapper of roving bobbin ensures that

(a) The layers do not slip

(b) More material is accommodated in the package

(c) Unwinding tension is uniform 

(d) Spacing between the coils is uniform

Q2. In ISO standard the traveller number is defined as the mass in grams of 

(a) 10 travellers

(b) 100 travellers

(c) 1000 travellers

(d) 10000 travellers

Q3. In Murata Air Jet Spinning system

(a) Both the nozzles rotate in clockwise direction 

(b) Both the nozzles rotate in anti- clockwise direction 

(c) First nozzles rotates in clockwise and second nozzles rotates in anti-clockwise direction

(d) Both the nozzles do not rotate

Q4. Pressure applied of a woven fabric during measurement of thickness in gf/cm2 is generally 

(a) 5

(b) 20

(c) 50

(d) 100

Q5. Presence of immature fibres 

(a) Leads to less roller lapping 

(b) Leads to more rollers lapping

(c) Does not influence roller lapping

(d) May lead to more or less roller lapping depending on atmospheric conditions

Answers 

Q1. (a)The layers do not slip

Q2. (c)1000 travellers

Q3. (c) First nozzles rotates in clockwise and second nozzles rotates in anti-clockwise direction

Q4. (c) 50 gf/cm^2 

Q5. (b) Leads to more rollers lapping