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Which of the following mediums is not used for the power operated molding machines?

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+1 vote
in Foundry and Forging by (110k points)
Which of the following mediums is not used for the power operated molding machines?

(a) Electromagnets

(b) Hydraulic power

(c) Compressed air

(d) Sand Inertia

This question was addressed to me in an interview.

My doubt stems from Moulding Machines topic in chapter Moulding Machines & Special Moulding Processes of Foundry and Forging

1 Answer

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Best answer
Right choice is (d) Sand Inertia

To elaborate: The power operated molding machines are extension versions designed to overcome all the drawbacks of molding occurred by the traditional machines. The sand inertia is used for molding and is not a medium of machine whereas, the use of compressed air, hydraulic power or high impellor is used to obtain performance from power operated machines.

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