WBUT Question Paper 2013 of FABRIC FORMATION - I (CS/B.Tech/(TT-NEW)/SEM-4/TT-402/2013)

CS/B.Tech/(TT-NEW)/SEM-4/TT-402/2013

2013

FABRIC FORMATION - I

Time Allotted : 3 Hours                                                      Full Marks : 70

The figures in the margin indicate full marks.

Candidates are required to give their answers in their own words

as far as practicable.

GROUP – A

( Multiple Choice Type Questions )

1. Choose the correct alternatives for any ten of the following :

10X1 = 10

i) The yarn tension in weft knitting is critical and the

most common taper angle of cones used in practice is

a) 2° 30^I

b) 3° 30^I

c) 4° 20^I

d) 5° 57^I.

ii) Stepped precision winding is a

a) combination winding

b) random winding

c) precision winding

d) sectional winding.

iii) How long will take for a winder to wind 3 lb of 20 Ne

yarn if the winder operates at 700 yd/min with

efficiency 87% ?

a) 86.2 min

b) 82.8 min

c) 83.2 min

d) 85.6 min.

iv) To achieve the incline or wedge in section warping, it is