Multiple Choice Question (MCQ)

Question: What is the formula to calculate total allowance for the locked grooved joint w.r.t fold size ?
A. Total allowance = (3x fold size) + (6 x thickness of sheet)
B. Total allowance = (2x fold size) + (4 x thickness of sheet)
C. Total allowance = (4x fold size) + (4 x thickness of sheet)
D. Total allowance = (3x fold size) + (4 x thickness of sheet)
Correct Answer: Total allowance = (3x fold size) + (6 x thickness of sheet)