10+ vThink Global Technologies Interview Questions and Answers

Yarn count refers to the thickness of a yarn. Direct and indirect count systems are two methods of measuring yarn count.

• Yarn count is the measure of the thickness of a yarn.

• Direct count system measures the length of yarn required to make a fixed weight of yarn, while indirect count system measures the weight of yarn required to make a fixed length of yarn.

• Direct count system is used for cotton and woolen yarns, while indirect count system is used for silk and synthetic yarns....read more

I would check if the worker is on a break or if there is an emergency situation.

• Assess the situation before taking any action

• Check if the worker is on a scheduled break

• If there is an emergency situation, wake the worker up immediately

• If the worker is sleeping on the job without a valid reason, report it to the supervisor

Linen is a textile made from the fibers of the flax plant. Linen bleach differs from cotton due to its chemical composition.

• Linen is made from flax fibers

• It is a strong and durable fabric

• Linen has a natural luster and is highly absorbent

• Linen bleach differs from cotton bleach due to the chemical composition of flax fibers

• Linen fibers are more resistant to bleach than cotton fibers

Linen is made from flax fibers and is a luxurious fabric due to its durability, breathability, and unique texture.

• Linen is a textile made from the fibers of the flax plant.

• It is a strong and durable fabric that is highly absorbent and breathable.

• Linen has a unique texture and a natural luster that gives it a luxurious look and feel.

• It is often used for high-end clothing such as suits, dresses, and blouses.

• Linen is also used for home textiles such as bedding, tablecloths, and ...read more

Linen quality parameters include fiber length, strength, and fineness. Linen yarn faults include slubs, knots, and snarls.

• Linen quality is determined by fiber length, strength, and fineness

• Fiber length should be at least 25mm for high-quality linen

• Strength is measured by tensile strength and abrasion resistance

• Fineness is determined by the diameter of the fiber

• Linen yarn faults include slubs, knots, and snarls

• Slubs are thick areas in the yarn caused by uneven spinning

• Knots ar...read more

Bleach loss refers to the loss of strength and color in linen yarn due to exposure to bleach. Permitted amount varies depending on the industry standards.

• Bleach loss is a common problem in the textile industry.

• It can weaken the fibers and cause discoloration.

• The amount of permitted bleach loss varies depending on the industry standards.

• For example, in the healthcare industry, the maximum permitted bleach loss for linen yarn is usually around 3-5%.

• However, in the fashion indus...read more

Production calculation involves determining the output of ring frame, hackling, drawing, and autoconer.

• Production calculation is done by measuring the output of each machine.

• The output is measured in terms of weight or length of the yarn produced.

• The production calculation helps in determining the efficiency of the machines and identifying any issues.

• For example, if the output of the ring frame is lower than expected, it could indicate a problem with the machine or the raw ma...read more

CCM stands for Cotton Count Method. Delta value of linen fabric is the difference between the reflectance of the fabric in two different wavelengths.

• CCM is a system used to measure the fineness of cotton yarns.

• It is the number of hanks of yarn that weigh one pound.

• Delta value of linen fabric is used to determine the whiteness of the fabric.

• It is calculated by measuring the reflectance of the fabric in two different wavelengths.

• A lower delta value indicates a whiter fabric.

The dye used in linen is typically derived from natural sources such as plants or insects.

• Linen is a natural fabric made from the fibers of the flax plant.

• Natural dyes are preferred for linen as they are more environmentally friendly.

• Common natural dyes used in linen include indigo, madder, and cochineal.

• These dyes can produce a wide range of colors, from blues and reds to yellows and browns.

• Natural dyes also tend to be more gentle on the fabric and can result in a softer fee...read more

Induction motors are widely used in industrial applications due to their efficiency and reliability.

• Induction motors are commonly used in conveyor systems for material handling.

• They power pumps in water treatment plants and chemical processing.

• Induction motors drive fans and blowers in HVAC systems.

• They are used in compressors for refrigeration and air conditioning.

• Examples include 3-phase induction motors in manufacturing assembly lines.

Stray loss in a transformer refers to energy losses due to leakage flux not contributing to the magnetic circuit.

• Stray losses occur due to leakage flux that does not link with the windings.

• These losses can lead to heating and reduced efficiency in transformers.

• Examples include eddy current losses in nearby conductive materials.

• Stray losses can be minimized by proper design and placement of windings.

Transformers are rated in kVA to indicate their capacity without considering power factor, focusing on apparent power.

• Transformers handle both active (real) and reactive power, making kVA a more comprehensive measure.

• Using kVA avoids confusion with power factor, which can vary in different applications.

• For example, a 100 kVA transformer can supply 100 kW at a power factor of 1, or 80 kW at a power factor of 0.8.

• This rating helps in sizing transformers for various loads, ensur...read more