Sona Construction Technologies Interview Questions and Answers

ETS (Educational Testing Service) is a non-profit organization that develops and administers standardized tests.

• ETS develops and administers tests like the GRE, TOEFL, and Praxis exams.

• The organization also offers research and assessment services for educational institutions.

• ETS uses computer-based testing and scoring for many of its exams.

• The organization has faced criticism for its role in the standardized testing in

Glass is a solid, transparent material made by heating a mixture of silica and other materials.

• Glass is a non-crystalline, amorphous solid

• It is made by heating a mixture of silica, soda ash, and lime

• It can be molded into various shapes and sizes

• It is used in windows, mirrors, lenses, and containers

• Different types of glass include tempered, laminated, and stained glass

Graphene is a thin layer of pure carbon arranged in a hexagonal lattice.

• It is the thinnest material known to man

• It is a good conductor of electricity and heat

• It is incredibly strong and flexible

• It has potential applications in electronics, energy, and medicine