Q 01/05

In which city does the Burj Khalifa stand?

A) Doha

B) Abu Dhabi

C) Dubai

D) Riyadh

Answer · why

C) Dubai

The Burj Khalifa stands in Dubai, United Arab Emirates; completed in 2010, it rises 828 metres, more than twice the Empire State Building's 381-metre ...

Q 02/05

In which city is the Turning Torso, Santiago Calatrava's twisting residential tower?

A) Malmö

B) Stockholm

C) Gothenburg

D) Copenhagen

Answer · why

A) Malmö

The Turning Torso, completed in 2005 in Malmö, Sweden, twists 90 degrees over its 190-metre, 54-storey height; Santiago Calatrava based it on his scul...

Q 03/05

What is usually called the first steel-frame skyscraper, built in Chicago in 1885?

A) Rookery Building

B) Reliance Building

C) Home Insurance Building

D) Monadnock Building

Answer · why

C) Home Insurance Building

The Home Insurance Building rose only 10 storeys and 42 metres when finished in 1885; two more floors were added in 1890, and it was demolished in 193...

Q 04/05

Which architect created the load-bearing frame of Chicago's first steel-frame skyscraper of 1885?

A) William Le Baron Jenney

B) Louis Sullivan

C) Dankmar Adler

D) Henry Hobson Richardson

Answer · why

A) William Le Baron Jenney

William Le Baron Jenney engineered the iron-and-steel skeleton that carried the 1885 building's weight, freeing its walls from load-bearing duty; the ...

Q 05/05

Who invented the safety elevator that stops automatically if its hoisting rope breaks?

A) Charles Schindler

B) Elisha Otis

C) George Westinghouse

D) Werner von Siemens

Answer · why

B) Elisha Otis

Elisha Otis demonstrated his safety elevator at the New York Crystal Palace exhibition in 1854, having the hoisting rope cut while he stood on the pla...