Textile Engineering Interview Questions and Answers
Question - 31 : - What is glass fiber and where it is used?
Answer - 31 : -
Glass fiber is made up of fine fibers of glass; it is lightweight, extremely strong and robust. Compare to carbon fiber it is somewhat less strong, but it is less expensive and non-brittle. It is used for
• Filament windings around rocket cases
• Nose cones
• Exhaust nozzle
• Heat shields for aeronautical equipment
• Fishing rods
• Boat hulls and seats
• Wall paneling
Question - 32 : - How non-woven fabrics are made?
Answer - 32 : -
The non-woven fabrics are made by interlocking or bonding of fibers through mechanical, chemical, thermal or solvent means. Different types of fabric are used for nonwovens like wool, cotton, polyester, acrylic, etc.
Question - 33 : - Explain what is Tufting?
Answer - 33 : -
Tufting is a type of method for textile weaving, which is done by pushing extra yarn into a fabric. In this process, many needles simultaneously punch the fabric at pre-determined distance for extruding the fibers. Tufting is usually done on carpets, blankets and upholstery.
Question - 34 : - How many fibers can you yield from each cotton seed?
Answer - 34 : -
Each cotton seed may produce as many as 20,000 fibers on its surface, and a single ball will contains around 150,000 fibers.
Question - 35 : - Mention what are the physical types of fibers?
Answer - 35 : -
The physical types of fibers are
• Staple fibers: Fiber which is practically limited or finite length is called “Staple Fiber.” These are small length fiber like wool, cotton, jute, etc. It may be man-made or natural.
• Filament fibers: Fibers with unlimited or infinite length are called filaments. It may be natural like silk or synthetic like nylon.
Question - 36 : - Explain what is chemical and auxillaries in the textile industry?
Answer - 36 : -
In the textile industry, a dyeing auxillaries is a chemical or formulated chemical which allows a processing operation in preparation, dyeing, printing or finishing to be carried out more effectively.
Question - 37 : - What it takes to become a textile manufacturer?
Answer - 37 : -
A textile manufacturer requires following things
• Knowledge of how to operate and manage robotic machinery
• Good knowledge of market and dealing with textile supplier, textile exporter and importer
• Dealing with a high cost of repairing and obtaining equipment
• Labor costs of acquiring highly trained workers needed to operate this machinery
• Acquiring raw material and negotiation skills
Question - 38 : - Explain what are the different types of textile equipment?
Answer - 38 : -
Different types of machines used in the textile industry are
• Cotton Gin
• Loom for weaving
• Knitting Machines
• Tufting Machines
Question - 39 : - Explain how polyester is made?
Answer - 39 : -
Polyester is a pure synthetic material made from ethylene; it is derived from petroleum residue. It is prepared in four basic forms filament, staple, tow and fiberfill.
Question - 40 : - What are the different ways of Textile Quality Control?
Answer - 40 : -
• Spectrophotometer: It is used to check the color of the fabric
• CCP ( Crucial Control Point): It is used to check raw material, stitch strength and fabric durability
• Quality Check by industrial governing body: In U.S.A, this body is known as Association for Contract Textiles (ACT). It often imposes standard for textile quality control
• Use of UltraViolet: The fabric is exposed to ultraviolet rays that simulate the sun’s ray to check its durability.