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Cupola is used in

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For casting of metal like magnesium, top gating is

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Salts like sodium chloride, sodium hydroxide when added to

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In die casting process, molten metal is injected at

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In semi centrifugal casting a particular shape of the casting is produced by

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Mould walls of a permanent mould are kept thick

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When an alloy solidifies over a range of temperature, the resulting casting structure is

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Cupola furnace is not employed for melting steel in foundry

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The ratio of surface area to volume for a unit volume of riser is minimum in case of

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The process of making hollow castings of non- circular shape and desired thickness by

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The plastic organic materials can be easily shaped or moulded by

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1. Heavy and large castings 2. Most widely used and economical 3. Turbulence

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In light metal castings runner should be so designed that

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The methods of casting for producing ornamental pieces are

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The proper sequence of investment casting steps is

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Consider the following advantages of die casting over sand casting

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Hot chamber machine is used for

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The relationship between total freezing time ‘t’ volume of the casting v and its surface area ‘A’

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The investment casting is used for precision parts such as

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Consider the following advantages of shell mould casting

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