Proper ramming is used to eliminate which of the following defects?
(a) Swell
(b) Run out
(c) Pinhole porosity
(d) Cuts and washes
The question was posed to me in an interview for job.
My question is from Classification of Defects & Factors Affecting Salvage of Castings topic in division Salvage of Defective Castings of Casting-Forming-Welding I