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SVETLANKA909090 [29]
3 years ago
7

Refectories are one of the types of ceramics that have low melting temperature. a)-True b)-False

Engineering
1 answer:
MaRussiya [10]3 years ago
3 0

Answer:

b). False

Explanation:

A refractory material is a type of material that can withstand high temperatures without loosing its strength. They are used in reactors, furnaces, kilns, etc.

    Refractory materials are certain super alloys and ceramics materials.

Properties of refractory materials :

1. Refractory materials have high melting point.

2.They acts barriers between high heat zone and low heat zone.

3. The specific heat of refractory material is very low.

4. Refractories that have high bulk densities are better in quality.

Hence, Refractory materials have a very high melting temperature.

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