1. The cutting angle for a straight snip is…A. 60◦
B. 70◦
C. 82◦
D. 87◦
2. Which method of development is used for developing a rectangular tray?
A. triangular method
B. radial line method
C. parallel line method
D. trial and error method
3. What is the profile of the knife cutting edge of the upper blade of the hand level shear?
A. curved
B. straight
C. inclined
D. beveled
4. For what purpose a groover is used in sheet metal work?
A. to make a hem
B. to make grooves
C. to close and lock the seams
D. to strength then the edge of a job