In Case of Cored Aluminium Castings, the Contraction Allowance Is

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

Q18: Oil fired furnaces are generally used for

Q20: The "Green sand" is termed so, because<br>A)it

Q21: Which of the following is core hardening

Q22: Electric indirect are furnace is normally used

Q23: Head storage capacity of moulding sand can

Q24: Investment casting can be used for which