Casting - Casting objective questions and answers


21. Cold ducts are.......


   A.Forging defects due to insufficient filling

   B.Pores in welds

   C.Casting defects due to two streams not able to fuse due to being cool

   D.Casting defects due to moisture


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C.Casting defects due to two streams not able to fuse due to being cool

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22. The sand is packed on pit moulds with.......


   A.Manually

   B.Squeezers

   C.Jolt machines

   D.Sand slingers


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D.Sand slingers

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23. Ferrous alloys are usually cast by.........


   A.Hot chamber machine

   B.Cold chamber machine

   C.Die casting machine

   D.None of the above


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D.None of the above

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24. The hot chamber die casting method is used to cast......


   A.Brass

   B.Magnesium

   C.Aluminium

   D.All of the above


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D.All of the above

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25. In general, the drift on castings is of the order of.......


   A.1-5 mm/m

   B.5-10 mm/m

   C.10-15 mm/m

   D.15-20 mm/m

   E.20-30 mm/m


✔ View Answer


C.10-15 mm/m

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