TEST-1: Multiple choice: Select the best answer from the choices given. Write the letter of the correct answer. 1. This is also called as domestic sewing machine. a.lockstitch b. bartacking c. buttonholer d. double needle 2. It finishes the raw edges of the pattern construction. a. embroidery d. lockstitch b. over edging c. bartacking 3. This is used in reinforcing the opening and closing of pockets. a. bartacking b. lockstitch c. domestic d. button attachment 4. Checks the length of stitches. a. balance wheel b. stitch regulator c. needle bar d. bed 5. It is the thread holder. a needle clamp b. presser foot C. spool pin d. thread guide 6. Connects the balance wheel to the drive wheel. a. belt b. presser foot c. needle bar d. stitch regulator 7. Controls the bobbin while winding thread. a. tension b. bobbin winder c. needle clamp d. spool pin 8. Holds and tighten the needle. a. spool pin b. bed C. needle clamp d. needle bar 9. Sets the mechanism in motion. a. balance wheel b. arm c. needle clamp d. belt 10. The curve part of the head containing mechanism for operating the needle.. a, bed b. arm C. spool pin d. belt​