Phenolic thermo-setting plastics are finding application in pattern making because
A) they do not absorb moisture
B) they are resistant to wear
C) they have all above qualities
D) they are strong
Correct Answer:
Verified
Q6: Aluminium castings are not repaired by
A)inert gas
Q7: First step in reclaiming the moulding and
Q8: If ash content of coke used in
Q9: Non-uniform distribution of alloying components, inclusions and
Q10: Clay used for foundry sand should be
A)kaolinite
B)montmorillonite
C)illite
D)any
Q12: The location of riser least depends on
A)the
Q13: In case of cast steel, the contraction
Q14: The "Green sand" is termed so, because
A)it
Q15: A designer would attempt to avoid bosses
Q16: Padding is
A)a method for production of chilled
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