Chaplets Are

Q10: Coke used in cupola is in the

Q11: Graphite is sprinkled on to the surface

Q12: The amount of coal dust added to

Q13: Sodium silicate in sand in often used

Q14: The amount of machining allowance on castings

Q16: Skeleton patterns are generally used for<br>A)hollow castings<br>B)small

Q17: Shell moulding is a process in which<br>A)a

Q18: The method in which green sand is

Q19: The advantage of investment casting is<br>A)Sound costings

Q20: Pattern used in foundry shop is<br>A)Somewhat smaller