Multiple Choice
In fluminium foundry, for removing dissolved hydrogen and the entrapped dross, the flux used is
A) nitrogen
B) helium
C) chlorine
D) any of the above
Correct Answer:
Verified
Correct Answer:
Verified
Q1: In melting of aluminium, the dross consists
Q2: Shatter test is a measure of<br>A)sand toughness<br>B)sand
Q3: Cohesiveness of sand depends on<br>A)grain size and
Q5: High pouring rate leads to<br>A)mould erosion<br>B)rough surface<br>C)excessive
Q6: Sand is broadly specified by<br>A)grain size<br>B)colour<br>C)moisture content<br>D)all
Q7: The sand used for filling the bulk
Q8: Shell moulding is uneconomical for<br>A)small castings<br>B)large scale
Q9: Choose the correct statement in respect of
Q10: Hand tool used in foundry shop for
Q11: The moulding tool used for finishing/repairing the