Which of the Following Is Used to Increase Refractoriness of Sand

Q4: Which variety of cast iron can be

Q5: The drawback with metallic pattern is<br>A)excessive weight<br>B)expensive<br>C)difficult

Q6: As compared to green sand in shell

Q7: When external features of the castings are

Q8: For producing several similar parts from a

Q10: A blind riser can be located<br>A)in cheek

Q11: Generally for the melting of cast iron,

Q12: In carbondioxide moulding the pressure of carbondioxide

Q13: The property of the foundry sand which

Q14: Metal moulds are used in all of