Q.1. Which of the following is the name given to the triangular cross-section tunnel formed by the warp threads separating into two layers before the weft is thrown in weaving machines?
A) Weft insertion B) Mouthpiece C) Dobby D) Eccentric
Q.2. The part from the comb to the woven fabric in the weaving machine is called which of the following?
A) Front muzzle B) Right muzzle C) Upper muzzle D) Lower muzzle
Q.3. What type of movement is used to lift and reposition the frames in the creation of the muzzle?
A) Frame movement from above B) Negative frame movement C) Positive frame movement D) Neutral frame movement
Q4. Which of the following is true for eccentric shedding systems?
A) It is generally rectangular in shape. B) It is located inside the mouthpiece of the machine. C) Also called cam. D) They are made of plastic.
Q.5. Which of the following is an eccentric shedding system?
A) Top eccentric shed B) Bottom eccentric shed C) Left eccentric shed D) Internal eccentric shed
Q.6. Which of the following is not a shedding system?
A) Dobby shedding B) Eccentric shedding C) Cam shedding D) Shuttle shedding
Q.7. ( ) The external eccentric shedding system is placed outside the side walls of the weaving machine frame.
Q.8. ( ) The system with external eccentric occupies less space than the system with internal eccentric.
Q9. ( ) In machines with external eccentric, the same eccentrics are used for all knitting.
Q.10. ( ) 4- During the maintenance of the nozzle opening system, the oils determined by the manufacturer are preferred for lubricating the system.
Q.11. ( ) Twill 2/1 weave requires at least three eccentrics to weave.
Q.12. ( ) In weaving machines, the triangular cross-section tunnel formed by the warp threads separating into two layers before the weft is thrown is called the shed.
Q.13. ( ) The back shed is the name given to the part from the strengths to the woven fabric in the weaving machine.
Q.14. ( ) In systems that form mouthpieces with negative frame movement, movement is given from the mouthpiece forming device not only for forming the frames but also for closing them.
Q.15. ( ) The eccentric is the name given to the parts whose circumference is not the same distance from the center and which have different offsets. Also called cam.
Q.16. ( ) The same eccentrics are used for each knitting.
Q.17. ( ) In weaving, we can weave the largest reports as knitting and motifs on machines with eccentrics.
Q.18. ( ) Eccentric shedding systems consist of two groups as internal and external eccentric.
Q.19. ( ) Cuffing systems, the quality of the fabric and the usability of the machine.