When External Features of the Castings Are Important, Which of the Following

Q2: Use of flux in melting of magnesium<br>A)separates

Q3: A cupola one metre in diameter and

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

Q8: For producing several similar parts from a

Q9: Which of the following is used to

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