Understanding Bobbin

What is the primary role of a bobbin in machinery?

• To generate power

• To store electrical energy

• To act as a pulley

• To hold thread or wire

How does a bobbin contribute to the functioning of a sewing machine?

• It sharpens the needle

• It supplies the lower thread

• It holds the fabric in place

• It powers the machine

Which of the following is NOT a type of bobbin?

• Side-loading bobbin

• Top-loading bobbin

• Magnetic bobbin

• Drop-in bobbin

What material is commonly used to make bobbins?

• Glass

• Ceramic

• Wood

• Plastic

Which type of bobbin is typically used in industrial sewing machines?

• Side-loading bobbin

• Drop-in bobbin

• Rotary bobbin

• Top-loading bobbin