Q 01/05

Roughly how tall is the Burj Khalifa from the ground to its tip?

A) A quarter of a mile

B) Half a mile

C) One mile

D) Two miles

Answer · why

B) Half a mile

Half a mile. The tip stands 829.8 m up, just over half a mile, and the developer kept that final height a closely guarded secret all through construct...

Q 02/05

What fills the Burj Khalifa's topmost floors?

A) Penthouses

B) Hotel suites

C) Broadcast gear

D) Turbines

Answer · why

C) Broadcast gear

Broadcast gear. Nobody lives up there: the highest apartments stop at level 108 of the tower's 163 floors, and the last few are given over to communic...

Q 03/05

Which skyscraper did the Burj Khalifa replace as the world's tallest building?

A) Petronas Towers

B) Empire State Building

C) Jin Mao Tower

D) Taipei 101

Answer · why

D) Taipei 101

Taipei 101. The Burj overtook it in July 2007 while still a building site, more than two years before it opened, and finished over 300 m taller than t...

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

Skidmore, Owings & Merrill. The Chicago firm won an invited design competition for the tower, its bid backed by a long list of very tall towers that i...

Q 05/05

Which South Korean company was the Burj Khalifa's main contractor?

A) Doosan Heavy

B) Daewoo E&C

C) Hyundai Engineering

D) Samsung C&T

Answer · why

D) Samsung C&T

Samsung C&T. Its crews worked in three shifts round the clock, and at full stretch the tower gained about two new storeys a week.