BSMP 3 SHEET METAL JOINTS - Quiz

1) What is the formula to calculate total allowance for the locked grooved joint w.r.t fold size ?

Total allowance = (3x fold size) + (6 x thickness of sheet) Total allowance = (2x fold size) + (4 x thickness of sheet) Total allowance = (4x fold size) + (4 x thickness of sheet) Total allowance = (3x fold size) + (4 x thickness of sheet)

2) What is called, the extra material provided on material for the preparation of the edges and seams?

Tolerance Limits Allowance Margin

3) Which type of joint consists of a folded section that inter locks with folds on articles to be joined and can be dismantled?

Drive slip Cleat joint Standing s slip Hemmed s slip

4) What is to be done for the surplus wire of the wired edge?

To be bent To be cut To be twisted To be folded

5) What is process which makes sheet metal stronger and rigid?

Seaming Hemming Riveting Edge stiffening