Silica Is the Second Most Important Constituent of Moulding Sand

Q1: Lowest pouring temperature alloy is<br>A)Phosphor bronze<br>B)Cupro nickel

Q2: The methods of casting for producing ornamental

Q3: In radiography test on castings which of

Q5: Metal moulds are used in<br>A)dry sand moulding<br>B)green

Q6: Pattern draft for internal surfaces is (in

Q7: The defect known as 'drop' occurs when

Q8: Contraction of metal starts at the end

Q9: Local stress relief treatments are generally given

Q10: Which of the following is used on

Q11: Flash occurs on diecastings at the<br>A)gatting system<br>B)ejection