WorksheetsFM II Lab Quiz 1
Total questions: 25
Worksheet time: 13mins
What is the primary purpose of the warp beam in a loom?
To beat-up the fabric
To store the weft yarn
To supply warp yarn under tension
To shear the fabric edges
Which motion in a loom is responsible for intersecting of warp yarns?
Shedding
Picking
Beating-up
Let-off
The process of winding warp yarns onto a beam before weaving is known as:
Doubling
Drawing-in
Warping
Sizing
What does the term "reed count" indicate?
Number of warp ends per inch
Number of dents per inch
Number of weft insertions per minute
Number of warp threads per dent
In plain weave, the warp and weft interlace in which pattern?
1 up, 2 down
1 up, 1 down
2 up, 2 down
3 up, 1 down
Which part of the loom controls the shedding motion?
Reed
Heald frame
Shuttle
Cloth roll
What is the function of a shuttle in conventional weaving?
Shedding
Beating-up
Weft insertion
Warp let-off
What is the typical sequence of motions in a loom during one weaving cycle?
Picking, shedding, beating-up
Shedding, picking, beating-up
Beating-up, shedding, picking
Let-off, shedding, beating-up
Which weave type creates the strongest fabric structure?
Twill weave
Satin weave
Plain weave
Basket weave
What is the purpose of the warp stop motion on a loom?
To stop the loom when a warp thread breaks
To beat up the weft yarn
To guide the shuttle through the shed
To let off the warp beam
What is "sizing" in warp preparation?
Applying tension to warp yarns
Coating warp yarns with protective material
Arranging warp yarns on the beam
Cutting the woven fabric
What tool is used to separate and arrange warp yarns during warping?
Reed
Lease rods
Drop wires
Temple
What does "EPI" stand for in woven fabrics?
Ends per inch
Ends per interval
Ends per increment
Ends per iteration
What is the main characteristic of a twill weave?
Diagonal lines on the fabric surface
Satin-like sheen
Irregular pattern
Crisscross weave structure
The "let-off motion" regulates:
The speed of the shuttle
The movement of the heald frames
The unwinding of warp yarn
The beating-up of the fabric
In a dobby loom, what additional feature exists compared to a plain loom?
Complex picking mechanism
Automatic warp replenishment
Control of multiple heald shafts
Shuttleless weft insertion
Which part of the loom holds the fabric under tension as it is woven?
Cloth beam
Warp beam
Heald frame
Reed
The term "pick" refers to:
One complete shedding cycle
One weft yarn insertion
One warp yarn
One complete warp cycle
What is the function of temples in a loom?
Hold the fabric edges to maintain width
Guide the weft yarn during picking
Support warp yarn tension
Cut the weft yarn
In a 3/1 twill, how many picks are raised per cycle?
3
2
1
4
What does "heald wire" refer to?
A wire that controls the reed
A wire in the weft insertion path
A wire that holds and moves warp yarns
A wire for cutting weft yarn
In practical weaving, "back rest" is used to:
Maintain warp tension
Beat up the weft
Insert weft yarn
Control cloth winding
In a plain weave, if there are 40 ends per inch, how many warp threads are there in a 10-inch width?
200
400
40
100
What is "beating-up" responsible for in the weaving process?
Laying the warp yarns
Driving the weft yarn into position (fell)
Creating the shed
Stopping the loom
Which device ensures multiple colour weft insertion in shuttle looms?
Shuttle box
Drop box
Drop wire
Heald shaft