FABRIC MANUIFACTURE - I

(MCQ-2 : MODULE 8 - SHEDDING )

 

Question 1: The strain on the warp yarns during shedding does not depend on

Shed height
Loom speed
Distance between back rest and cloth fell
Shed symmetry parameter

Question 2: Choose the combination of correct statements

(A)	Matched cam shedding is used in Sulzer loom
(B)	Matched cam shedding gives positive cam shedding
(C)	Cam shedding can handle more number of picks in the repeat if the cam size is lower
(D)	Negative cams with reversing rollers make a negative shedding system

A, B, C
B, C, D
A, B, D
A, C, D
A, B

Question 3: The wasted movement is maximum in

Bottom closed shed
Semi open shed
Centre closed shed
Open shed

Question 4: In double acting Keighley dobby, the drive for knives originates from

Crank shaft
Bottom shaft
Tappet shaft
Either from crank shaft or from bottom shaft

Question 5: Double acting Keighley dobby will nearly produce

Bottom closed shed
Semi open shed
Centre closed shed
Open shed

Question 6: Single lift single cylinder 200 hook jacquard forms

Bottom closed shed
Centre closed shed
Semi open shed
Fully open shed

Question 7: A double lift double cylinder jacquard would normally produce

Bottom closed shed
Centre closed shed
Semi-open shed
Open shed

Question 8: Choose the combination of correct statements

(A)	Single lift single cylinder jacquared produce bottom closed shed
(B)	Keighley dobby produce centre closed shed
(C)	Cam shedding produces open shed
(D)	Double lift double cylinder jacquared produces semi open shed.

A, B, C
B, C, D
A, B, D
A, C, D
A, D

Question 9: In a jacquard harness system, the vertical distance between the bottom end of the central hook and the comber board is 140 cm

i : The length of the harness cord(cm) controlling an end, operated by the same hook at a distance of 75 cm from the centre of the machine, would be approximately

65.8
158.8
215.8
315.8

ii : If the required shed depth of this machine Is 7 cm, the percentage loss in shed depth at the same side harness operated by the same hook would be approximately

13.3
12.3
11.3
10.3

Question 10: A design repeating on 45 cm along the length and 30 cm along the width of the fabric having 40 ends and 35 picks per cm will require a jacquard capacity of

1050
1200
1400
1600

Check Score