When Wooden Patterns with Metallic Coating Are to Be Used

Q7: Phenolic thermo-setting plastics are finding application in

Q8: In case of cast steel, the contraction

Q9: A designer would attempt to avoid bosses

Q10: Sand grains which give high mould strength

Q11: The location of riser least depends on<br>A)the

Q13: Shell moulding can be used for<br>A)producing thin

Q14: Padding is<br>A)a method for production of chilled

Q15: In case of carbondioxide moulding, the binder

Q16: Wood used for pattern making has knots.

Q17: If ash content of coke used in