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Casting-Forming-Welding I
Dielectric core bakers are faster in operation and have good control of maintaining the temperature.

Dielectric core bakers are faster in operation and have good control of maintaining the temperature.

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asked Sep 10, 2021 in Casting-Forming-Welding I by myra (687k points)

Dielectric core bakers are faster in operation and have good control of maintaining the temperature.

(a) True

(b) False

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The doubt is from Dielectric Core Bakers topic in chapter Core and Core Making of Casting-Forming-Welding I

casting-forming-welding i
core and core making
dielectric core bakers

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1 Answer

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answered Sep 15, 2021 by Jaya (828k points)
selected Sep 15, 2021 by myra

Best answer

Correct answer is (a) True

Easy explanation: The main advantage of dielectric core baker is that they are very faster in operation and have good control of maintaining the temperature. After baking of cores in dielectric baker, they are further smoothened by using dextrin material, sometimes water soluble binders are also used for this purpose.

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1 answer

After baking of cores in dielectric core bakers, they can be directly used in the moulding box.

asked Sep 10, 2021 in Casting-Forming-Welding I by myra (687k points)

casting-forming-welding i
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It is not possible to bake dry sand cores by dielectric core bakers.

asked Sep 10, 2021 in Casting-Forming-Welding I by myra (687k points)

casting-forming-welding i
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For small cores mass production, dielectric core bakers can be preferred over continuous type ovens used for baking cores.

asked Sep 10, 2021 in Casting-Forming-Welding I by myra (687k points)

casting-forming-welding i
core and core making
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In dielectric core baker system, a metal used generally requires a low value of K (dielectric constant of material)

asked Sep 10, 2021 in Casting-Forming-Welding I by myra (687k points)

casting-forming-welding i
core and core making
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In dielectric core baker, several metallic plates are used for supporting the cores in the system.

asked Sep 10, 2021 in Casting-Forming-Welding I by myra (687k points)

casting-forming-welding i
core and core making
dielectric core bakers

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1 answer

In dielectric baker systems, cement plates are normally used for supporting the cores.

asked Sep 10, 2021 in Casting-Forming-Welding I by myra (687k points)

casting-forming-welding i
core and core making
dielectric core bakers

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1 answer

Core finishing also includes a coating of refractory materials on cores to protect them.

asked Sep 10, 2021 in Casting-Forming-Welding I by myra (687k points)

casting-forming-welding i
core and core making
dielectric core bakers

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1 answer

The process of making green sand cores generally consumes much time as compared to that of dry sand cores.

asked Sep 10, 2021 in Casting-Forming-Welding I by myra (687k points)

casting-forming-welding i
core and core making
dielectric core bakers

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1 answer

How much percentage of water or moisture is contained by green sand cores?

asked Sep 10, 2021 in Casting-Forming-Welding I by myra (687k points)

casting-forming-welding i
core and core making
dielectric core bakers

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Why should the finishing of the core be made good enough?

asked Sep 10, 2021 in Casting-Forming-Welding I by myra (687k points)

casting-forming-welding i
core and core making
finishing of cores

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