E-PolyLearning

6. Ratio of fly roller and that of drum must be accurately
a. calculated
b. adjusted
c. decreased
d. increased
View Answer Report Discuss 50-50!
Answer: (b).adjusted

7. Some released impurities are knocked off under card with
a. ventilation
b. centrifugal force
c. centripetal force
d. ventilation and centrifugal force
View Answer Report Discuss 50-50!
Answer: (d).ventilation and centrifugal force

8. Web is removed from comber roller when doffer comb slightly
a. touch it
b. jerk it off
c. twist it
d. break it
View Answer Report Discuss 50-50!
Answer: (a).touch it

9. Rotating speed in deburring unit is as such that there is a tab per every
a. 2 mm of revolution
b. 3 mm of revolution
c. 6 mm of revolution
d. 8 mm of revolution
View Answer Report Discuss 50-50!
Answer: (a).2 mm of revolution

10. At second drum, due to speed difference, carded fibers gather and form
a. yarn
b. twists
c. web
d. lap
View Answer Report Discuss 50-50!
Answer: (c).web

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