61. What is Lacra ?
Ans: polyurothin fibre, stetching fibre .
62. What is Gauge ?
Ans: Needles /inch .
63. What is Needle peace ?
Ans: Needle peace = 1 / NeedleGauge.
64. What are the basic element warp knitting ?
Ans: a) needle
b)sinker : i) loop formation ii) holding down iii) knock over
c)guide
65. What are the main features of single jersey plain fabric ?
Ans: i) technical face is smooth & v-shape is found & technical back is rough ii) produce by single set of needle iii) tendency of curling yarn .
66. What are the main features of rib structure ?
Ans: i) ) technical face & back is of same
ii) it is normally knitted 2 set of needles
iii) this types of fabric arenot curling tendency.
67. Define tappet fabric?
Ans: Fabrics of simple weave structure that may be woven or a cam or tappet loon .
68. Define CPI ?
Ans: Cpi means course per inch. It indicate the how many course are prese nt in one inch length of the fabric.
69. How many types of fabric?
Ans: Woven, Knitted, Non woven, Braid.
70. Define warp?
Ans: The sets of yarn which is used along the length of the fabric is termed as warp.
71. Define weft?
Ans: The sets of yarn which is used across the width of the fabric is termed as weft.
72. Write down the process sequence of dyed fabric production?
Ans: Yarn preparation, weaving, furnishing
73. What is the basic principle elements of Knitting?
Ans: Principle elements of Knitting- needle, sinker, cam, jack, yarn feeder
74. What is needle?
Ans: The hooked metal needle is the main principle knitting element of the Knitting m/c
75. Write down the function of needle?
Ans: The function of needle is – New yarn receiving, Loop forming, Carry the old loop, Clearing the old loop.
76. What is sinker?
Ans: It is the second primary knitting element. It is a thin metal plate with an individual or a collective action operating approximately at right angles from the hook side of the needle bed, between adjacent needles.
77. What is yarn feeder?
Ans: Yarn feeder mainly used for feed the yarn from package to Needle by yarn tensioner, yarn guide etc.
78. What is needle gauge?
Ans: No of Needles Per unit Length ( e.g. Needles/inch)
79. What is course?
Ans: Yarn inlaid horizontally with loop structure in a Knitting structure.
80. What is wale?
Ans: Yarn inlaid vertically with loop structure in a Knitting structure.
81. What is loop?
Ans: A piece of yarn used in knitted structure.
82. what is stitch?
Ans: Dimensionally stable structural unit of a knitted structure.
83. What is tuck loop?
Ans: When the needle receives new yarn but the old loop is not locked off in its regular course, it is known as Tuck loop.
Yarn Receiving + Not Clearing = Tuck loop.
84. What is miss loop?
Ans: When the needle neither receive new yarn nor allows the old loop to be inlaid without knitting is called miss loop.
Not Receiving + Not Clearing = Miss loop.
85. What is drop stitch?
Ans: When the needle clear the old loop without receiving new yarn.
86. What are the basic motions of a loom?
Ans: Basic motions of a loom, Primary motion., Secondary motion, Tertiary motion.
87. What is degree of interlacing?
Ans: When interlacing ratio is expressed as % is called degree of interlacing.
88. What is weave plan?
Ans: The interlacement of warp and weft yarn, is called weave plan.
89. What is drafting plan?
Ans: The process of drawing the warp yarn into the heald eye according to the weave plan or design is called drafting plan.
90. What is denting plan?
Ans: The process of inserting warp yarn through reed is called denting plan.
