18 Questions
What is the primary function of the first machine operation in the yarn manufacturing process?
To separate individual fibers from the flocks
What is the cleaning efficiency formula used to calculate the percentage of total material eliminated?
CE = (AT - AE) x 100 / AT
What is the role of minor cleaning points in the yarn manufacturing process?
To prepare the material for the major cleaning points
What is the approximate percentage of impurities removed by a B/R installation?
40-70%
What is the term used to describe the weight of the flocks in the B/R process?
Flock weight
What is the purpose of the lathe machine in the yarn manufacturing process?
To produce nuts and bolts
What determines the production rate and degree of opening in the blower fan operation?
The speed of the inclined lattice and its spacing from the evener roller
Which type of cleaner is used for fine cleaning of cotton?
RN cleaner
What is the purpose of the grid bars in the ERM cleaner?
To separate the materials from fine dust and trash
What happens when the vertical lattice and evener lattice are wider?
Less material passage and more opening
What is the effect of closer setting of the vertical lattice and delivery roller?
Less production
What is the purpose of the beater/roller in the ERM cleaner?
To beat the materials finally
What is the purpose of the evener roller in the bale opener?
To control the amount of passage of cotton by opposite spike action
What happens to the cotton lumps that are too large to pass through the space between the inclined lattice and the evener roller?
They are thrown back into the blending hopper
What is the function of the wiper roller in the bale opener?
To wipe the cotton to the surface of the evener roller
What is the purpose of the suction fan in the bale opener?
To collect the dust and dirt through pipeling
What is the primary action of the spike lattice in the bale opener?
To carry cotton with its spike towards the evener roller
What is the benefit of using a bale opener in yarn manufacturing?
It increases the production efficiency of the yarn manufacturing process
Learn about the steps involved in manufacturing yarn, including putting base metal into the holder, opening, and cleaning. This quiz covers the basics of yarn production and is suitable for textile students.
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