BSMP 3 SHEET METAL JOINTS - Practice Mode

1) What is called, if a sheet metal edge is folded to 180 Degree twice?

Single hem Double hem Stiffer Wiring

Correct Answer: Double hem

2) How many types of wiring process followed in sheet metal work?

2 3 4 5

Correct Answer: 2

3) How many methods of edges stiffening done?

5 6 7 8

Correct Answer: 7

4) What is used for the welded frames for stiffening and supporting rectangular ducts?

Pocket lock Angle stiffener Standard s slip Hemmed s slip

Correct Answer: Angle stiffener

5) What is the allowance for double grooved seam / joint?

Width of folder edge + thickness of sheet 2 times width of folder edges + 2 times thickness of sheet 3 times width of folder edges + 3 times thickness of sheet 4 times width of folder edges + 4 times thickness of sheet

Correct Answer: 4 times width of folder edges + 4 times thickness of sheet

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