第三章测试
1.Which of the following device inserts the weft yarn through the shed? ( )
A:the shedding device B:the let-off device C:the beating-up device D:the weft insertion device
答案:D
2.The weft insertion device, such as rapier, projectile, air jet or water jet, carries only a single length of weft rather than a pirn through the shed. ( )
A:对 B:错 3.A looming draft is diagram that illustrates the weaving process parameters of a fabric, which is composed of( )
A:the drafting plan B:the lifting plan C:the denting plan D:the weave diagram 4.Which of the following processes belongs to weft preparation? ( )
A:winding B:pirn winding C:sizing D:twist fixing 5.Among the three types of primary weaves, which has the most interlacing points? ( )
A:satin weave B:twill weave C:complex weave D:plain weave 6.Which of the following weaves are twill weave derivatives? ( )
A:rib weave B:basket weave C:pointed twill D:reinforced twill 7.What’s the term for the structure shown in the picture? ( )
A:warp backed weave B:warp rib weave C:weft rib weave D:weft backed weave 8.What’s the term for the structure shown in the picture? ( )
A:colour and weave effect B:fancy mock leno weave C:honeycomb weave D:coloured stripe and check weave 9.Which of following methods are the common methods for determination of fabric weave?( )
A:local analysis B:counting glass C:direct observation D:yarn tearing analysis 10.Which of the following fabric surface defects are obvious warp direction defects? ( )
A:double end B:reed mark C:hole D:burst selvedge

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