How are riveted lap joints made watertight?（）<br>A:The faying surfaces are coated with white lead (or similar product) before the rivets are set<br>B:A sealing weld bead of 1/8 or less pitch is run along the plate edge<br>C:The plate edge is split close to an adjacent plate and mechanically forced into contact with the adjacent plate<br>D:A properly riveted joint will be watertight; any leakage is stopped by setting up on the rivets

How are riveted lap joints made watertight?（）
A:The faying surfaces are coated with white lead (or similar product) before the rivets are set
B:A sealing weld bead of 1/8 or less pitch is run along the plate edge
C:The plate edge is split close to an adjacent plate and mechanically forced into contact with the adjacent plate
D:A properly riveted joint will be watertight; any leakage is stopped by setting up on the rivets

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