When a hole or cavity to be cored is not in line with the parting surface, then a __________ is used.

Metal patterns are used for

The property of sand due to which it evolves a great amount of steam and other gases is called

 A taper provided on the pattern for its easy and clean withdrawl from the mould is known as

Which colour is given to loose pieces and seatings?

In a three piece pattern moulding arrangement, middle patt of moulding box is known as_____________

Which patteern material used for investment casting process?

Runner, gates and riser are attach to the pattern to ____________

The binder commonly used for making the sand is

 In sand moulding the bottom most part of the flask is called