Pattern draft for external surfaces is (in mm/m)
A) 15 -- 50
B) 10 -- 25
C) 40 - 60
Correct Answer:
Verified
Q1: High pouring rate leads to
A)mould erosion
B)rough surface
C)excessive
Q2: The most suitable metals for die casting
Q3: All of the following are clamping tools
Q5: Sand is broadly specified by
A)grain size
B)colour
C)moisture content
D)all
Q6: Chaplets are made of
A)wood
B)metal
C)organic matter
D)core sand
Q7: Clay content of green sand is usually
A)5
Q8: The sprue pin/sprue hole used for sand
Q9: Pig iron is obtained from iron ore,
Q10: Which of the following statement about gates
Q11: In case of arc furnaces electric supply
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