Question

Good quality of glass tumblers are made of special material whose linear coefficient of expansions is:
(A) Large
(B) Minimum
(C) Negative
(D) Has no relation

Answer 1

Hint: In order to answer this question, to know about the linear coefficient of expansion, we will give the accurate reason behind the correct option, and then we will discuss more about the good quality of glass tumblers.

Complete step-by-step solution:
Good quality glass tumblers are made of special material whose linear coefficient of expansions is negative.
The Coefficient of Linear Thermal Expansion (CLTE) is a material parameter that describes a plastic's capacity to expand when exposed to heat. It indicates how dimensionally stable the generated part will be when temperature changes.
The Coefficient of Linear Thermal Expansion (CLTE) is a material property that describes how much a plastic can expand when heated. When the temperature varies, it indicates how dimensionally stable the created part will be.
When a material is heated or cooled, the coefficient of thermal expansion (CTE) is a measurement of how much volume changes. It's defined by \[V{\text{ }}and{\text{ }}T\] , which stand for volume and temperature, respectively, and its units are ${1^^\circ }C$ . The linear thermal expansion of glasses is frequently studied.
A tumbler is a drinking container with a flat bottom that is commonly constructed of plastic, glass, or stainless steel. The origins of the term tumbler is a subject of debate. One explanation is that the glasses had a pointed or convex base that prevented them from being laid down without spilling. Another feature was that they featured weighted bottoms that allowed them to self-right if pushed over.
Hence, the correct option is (C) negative.

Note:Tumbling glass is one of the more difficult materials. The issue is its lack of hardness. If you want good results, make sure the tumbler barrel is filled to the right level and that you have plenty of small-size glass to fill in the gaps between the larger pieces. Ceramic pellets can be used instead of little shards of glass if you don't have any.