Q 01/05

What is the Burj Khalifa's total height to the tip of its antenna?

A) 768.4 m

B) 811.5 m

C) 829.8 m

D) 790.2 m

Answer · why

C) 829.8 m

That is just over half a mile; the roof height including the spire is 828 m.

Q 02/05

How many floors does the Burj Khalifa have?

A) 163

B) 150

C) 121

D) 140

Answer · why

A) 163

The previous record for most floors was the World Trade Center's 110.

Q 03/05

Which building had held the world's-tallest title since 2004 when the Burj Khalifa surpassed it?

A) Petronas Towers

B) Willis Tower

C) Shanghai World Financial Center

D) Taipei 101

Answer · why

D) Taipei 101

The tower passed Taipei 101's 509.2 m on 21 July 2007, still two and a half years from opening.

Q 04/05

Which architecture firm designed the Burj Khalifa?

A) Skidmore, Owings & Merrill

B) Gensler of San Francisco

C) Kohn Pedersen Fox Associates

D) Foster + Partners of London

Answer · why

A) Skidmore, Owings & Merrill

The Chicago firm had also designed the Sears Tower and One World Trade Center; Adrian Smith was chief architect and Bill Baker chief structural engine...

Q 05/05

Which South Korean company was the primary contractor?

A) Doosan Heavy

B) Daewoo E&C

C) Hyundai Engineering

D) Samsung C&T

Answer · why

D) Samsung C&T

It had also worked on the Petronas Towers and Taipei 101, and built the Burj with Belgium's BESIX and the local firm Arabtec.