Alstom Transportation Safety Engineer Interview Questions and Answers

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

The percentage of bitumen in DBM varies depending on the specific mix design and project requirements.

• DBM stands for Dense Bituminous Macadam, which is a type of road construction material.

• The percentage of bitumen in DBM typically ranges from 4% to 6% by weight.

• The exact percentage of bitumen is determined based on factors such as traffic load, climate conditions, and desired durability.

• Higher percentages of bitumen a...read more