To prevent inadvertent leaks, bunker manifold not in use should:

Question

Have blank flanges fitted with gaskets and tightened with some bolts in place

Have blank flanges fitted with gaskets and tightened with all bolts in place

Have blank flanges fitted and tightened with some bolts in place

Have blank flanges fitted and tightened with all bolts in place

I don't know

Answer 1

To prevent inadvertent leaks, bunker manifold not in use should have blank flanges fitted with gaskets and tightened with all bolts in place.