Which of the following is a true statement?

• Construction in the 21st century has shown a lag when compared to other industries

• Innovations in the construction industry during the 21st century have outnumbered those in other industries

• Energy conservation is becoming less and less important during the 21st century

• The use of computers in construction during the 21st century has drastically decreased

Which of the following allows a user to be able to work comfortably in a cramped, overhead and other hard-to-reach places?

• Automated spray pothole patching trucks

• Drone

• Cordless nailers

• Shaking table system

When did glass become available for construction use?

• A. BC

• B. Middle ages

• C. Renaissance

• D. 21st century

In which year was hydraulic cement discovered?

• 1756

• 1757

• 1758

• 1759

Which of the following is an example of a synthetic building material?

• Leaves

• Concrete

• Timber

• Clay

Which of the following trends helps resolve construction issues during the design phase rather than the building phase?

• Green construction

• 3-D printing

• Mobile apps

• Prefabrication

Which of the following materials is primarily installed in the attic space of a house?

• Sensitile

• Radiant barriers

• Electrified wood

• Flexicomb

Which of the following is made of silicon cells which are interconnected to form a circuit?

• Translucent concrete

• Sensitile

• Solar panel roofing tiles

• Flexicomb

Which of the following allows for the investigation of seismic design?

• Hydraulic vibratory pile driver

• Shaking table system

• Automated spray pothole patching truck

• Cordless nailers

In which year was the circular saw invented?

• 1801

• 1813

• 1846

• 1875