Which of the following is NOT true of many old brick or stone buildings in an earthquake?
A) Flexing of the walls can permit the floor beams to pull out and the floors to fall.
B) Heavy reinforced concrete floors and corner supports with unreinforced fill-in walls of brick are common in the developing world.
C) Because of its mortar brick, walls can flex enough to withstand most earthquakes.
D) Bricks falling from buildings often crush cars and can injure or kill passengers.
E) Stone walls are no better than brick walls in an earthquake.

Question

Quizplus · Accepted Answer

While older brick and stone buildings do have weaknesses in earthquakes, such as insufficient reinforcing, flexible walls can actually be an advantage. The mortar between bricks allows walls to flex and absorb some of the earthquake's energy, potentially reducing damage. Therefore, choice C is not true.

Which of the Following Is NOT True of Many Old