Question 1: Describe the key properties of cotton fabric and explain how these properties make it suitable for making T-shirts.

Answer: Cotton is soft, breathable, and absorbent, making it comfortable to wear and suitable for T-shirts. It is also durable and easy to wash, which adds to its practicality for everyday clothing.

Question 2: List three properties of polyester fabric and explain one advantage and one disadvantage of each.

Answer: Property 1: Durability - Advantage: Long-lasting; Disadvantage: Not biodegradable. Property 2: Wrinkle resistance - Advantage: Maintains appearance; Disadvantage: May reduce breathability. Property 3: Quick-drying - Advantage: Suitable for sportswear; Disadvantage: Less absorbent, uncomfortable when sweaty.

Question 3: Explain why wool is considered a good insulator and identify one scenario where this property is especially useful.

Answer: Wool has a crimped fiber structure that traps air, providing insulation. This property is especially useful in making warm clothing such as winter coats and sweaters.

Question 4: Compare the properties of silk and linen fabrics in terms of texture, strength, and moisture absorption.

Answer: Silk is smooth, soft, and has a luxurious feel; it is strong but can weaken when exposed to sunlight. Linen has a coarse texture, is strong and durable, and absorbs moisture quickly, making it cool to wear in hot weather.

Question 5: Draw a simple fabric sample that demonstrates a fabric with high elasticity. Label the key feature that provides this property.

Answer: A sketch showing a fabric with a stretchable quality when pulled. The key feature to label is elastic fibers or elastane blended into the fabric structure.

Question 6: Identify and describe one fabric property that is important for outdoor waterproof clothing. Explain why this property is essential.

Answer: Water resistance or waterproofing is essential, as it prevents water from passing through the fabric, keeping the wearer dry and comfortable in wet conditions.

Question 7: Sketch a design for a fabric used in sportswear that requires breathability and flexibility. Include notes on materials or features that enhance these properties.

Answer: A loose, lightweight fabric with ventilation zones or mesh areas. Notes might include the use of polyester or elastane, and features like perforations or stretch panels to improve breathability and flexibility.

Question 8: Explain how the property of flame retardance affects the choice of fabrics for certain applications. Give an example of a fabric used in this context.

Answer: Flame retardance prevents fabrics from catching fire easily, making them suitable for use in protective clothing, upholstery, or curtains. An example is treated polyester or special flame-retardant fabrics used in fire-resistant uniforms.

Question 9: Describe the property of fabrics that makes them suitable for making curtains in a dark room and explain why.

Answer: The property is opacity or thickness, which prevents light from passing through, making the fabric suitable for blocking out light and darkening the room.

Question 10: Identify a fabric that is both environmentally friendly and has good moisture-wicking properties. Explain your choice.

Answer: Hemp fabric is environmentally friendly because it requires less water and pesticides to grow. It also has natural moisture-wicking properties, making it suitable for activewear or casual clothing.