41⟩ Explain tertiary motion?
The tertiary motion are as follows-
★ Warp stop motion
★ Weft stop motion
★ Warp protector
★ Weft protector
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42⟩ Where the semi-open shed is used?
Double lift dobby & Jacquard.
43⟩ Explain fabric?
Interlacement of two or more thread of yarn.
44⟩ Explain primary motion?
The primary motion are as follows-
★ Shedding
★ Picking
★ Beating
45⟩ Explain secondary motion?
The secondary motion are as follows:
Let off
Take-up
46⟩ Can we produce basic weave structures (i.e plain, twills satin) in tapped shedding?
Yes
47⟩ Where the open shed is used?
Tapped loom
48⟩ Normally tapped shedding mechanism produces square design (e.g. 4x4, 6x6, 7x7, etc.) Yes or no?
Yes
49⟩ List down the types of needle?
★ Latch needle
★ Bearded needle
★ Compound needle
50⟩ List some abbreviations?
PPM = picks per minute
PPI = picks per inch
EPI = Ends per inch
RS = Reed space
51⟩ List down/what are the types of shedding mechanism?
★ Paddle/treadle shedding (used in hand loom)
★ Tappet shedding (used in power loom)
★ Dobby shedding (used in power loom, at past used in hand loom)
★ Jacquard shedding (both hand & power loom are used now)
★ Combined shedding
52⟩ Write down the faults of picking?
★ Early picking
★ Late picking
★ Smash or Bang-off
★ Short picking
★ Harsh picking
★ Shuttle flying out
