FM II Lab Quiz 1

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