Top 150+ Solved Foundry Technology MCQ Questions Answer
Q. Warped castings may be produced due to
a. poor collapsibility of cores
b. non-provision of camber allowance on the pattern
c. weak flasks
d. any of the above
Q. The most efficient shape of a series is that which
a. given a minimum heat loss
b. keeps the metal in molten state for longer period
Q. The purpose of clay in a moulding sand is to
a. Act as a binder in the mould
b. Make the mould refractory
Q. A defect in castings in which a discontinuity is formed due to the imperfect fusion of two streams of metal in the mould cavity is known as
a. scabs
b. hot tears
c. cold shut
d. drops
Q. Of the following metals, the pouring rate should be minimum for
a. brass
b. cast iron
c. aluminium
d. steel
Q. Which of the following metal can be cast in plaster moulds?
a. Yellow brass
b. Manganese
c. Aluminium bronzes
d. All of the above