Unit 17- Civil Engineering Quiz: Earthworks and Substructures

What is the process of moving a portion of the earth's surface from one location to another?

• Shoring

• Trenching

• Backfilling

• Excavation

What type of excavation involves the removal of the exposed layer of the earth’s surface, including any vegetation or decaying matter?

• Topsoil excavation

• Earth excavation

• Rock excavation

• Unclassified excavation

Which type of shoring is used to provide horizontal support to the parallel walls of two adjacent buildings?

• Raking Shores

• Flying Shores

• Dead Shores

• Straining Shores

What is the purpose of cut and fill excavation?

• To strengthen weak foundation

• To provide horizontal support to walls

• To move material from one location to another

• To form embankments and foundations

What is the main component used in raking shores to provide temporary support to an unsafe wall?

• Cleats

• Sole plate

• Needles

• Bracings

When is shoring typically removed?

• After a week

• After a month

• After a day

• After necessary repairs and modifications

What is the purpose of trench excavation?

• To remove topsoil

• To strengthen weak foundation

• To bury services such as pipes

• To form embankments

What type of excavation involves the removal of material that cannot be excavated without using special methods such as drilling or blasting with explosives?

• Earth excavation

• Unclassified excavation

• Rock excavation

• Topsoil excavation

What is the main component used in flying shores to provide horizontal support to parallel walls?

• Straining pieces

• Cleats

• Needles

• Horizontal shores

What is the purpose of dead shoring?

• To support dead loads of a structure

• To create large openings in existing safe wall

• To strengthen weak foundation

• To provide horizontal support to walls