KSS Engineering Interview Questions and Answers

There are three types of formwork going on at the current site.

• Timber formwork

• Steel formwork

• Aluminum formwork

Carbon percentage in steel typically ranges from 0.2% to 2.1%.

• Carbon content affects the strength and hardness of steel.

• Low carbon steel (0.2% or less) is more ductile and easily welded.

• High carbon steel (0.6% to 2.1%) is harder and more brittle, used for cutting tools.

• Medium carbon steel (0.3% to 0.6%) balances strength and ductility.

Gypsum plaster is made from gypsum powder and water, while POP (Plaster of Paris) is made from gypsum and heat.

• Gypsum plaster is a white cementing material made by partial or complete dehydration of the mineral gypsum.

• POP is a white powder made by calcining gypsum, then grinding it into a fine powder.

• Gypsum plaster is used for interior walls and ceilings, while POP is commonly used for creating molds, sculptures, and decorative elements.

• Gypsum plaster sets slowly and is more ...read more