Question

Clay is used for making bricks and flower pots. If the clay article is not dried before 'firing' in a kiln, there will be evaporation of water from the surface and the :

• A. kiln fire will be put out by steam
• B. article will becomes soft
• C. article will become hard
• D. article will develop cracks

Answer 1

Answer: (D)

article will develop cracks

A kiln is a thermally insulated chamber, a type of oven, that produces temperatures sufficient to complete some process, such as hardening, drying, or chemical changes.

While manufacturing clay article if the clay is not dried before 'firing' in a kiln then the water content present on the surface will evaporate and articles will develop cracks on it which makes article non-durable.

Hence option D is correct answer.