Building Engineering Building Engineering MCQ 4

Question 1

What is the 'modulus of elasticity' (Young's modulus) for structural steel approximately equal to?

Accepted Answer

29,000 ksi

Answer

The modulus of elasticity for structural steel is approximately 29,000 ksi (200 GPa), defining its stiffness in the elastic range.

Question 2

What does 'LEED certification' evaluate in buildings?

Accepted Answer

Sustainability and environmental performance

Answer

LEED (Leadership in Energy and Environmental Design) is a green building rating system assessing sustainability across energy, water, materials, and indoor quality.

Question 3

What is the purpose of a 'transfer beam' in building construction?

Accepted Answer

To carry loads from columns above that cannot continue to the foundation

Answer

Transfer beams redirect vertical loads from upper columns that are offset or discontinued, carrying them to other supporting elements below.

Question 4

In acoustics, what unit is used to measure sound intensity level?

Accepted Answer

Decibel (dB)

Answer

Decibels (dB) express sound intensity on a logarithmic scale relative to a reference pressure of 20 μPa, the threshold of human hearing.

Question 5

What is 'creep' in concrete structures?

Accepted Answer

Gradual long-term deformation under sustained load beyond elastic strain

Answer

Creep is the time-dependent increase in strain under constant sustained stress, causing prestressed members to lose force and deflections to increase over years.

Building Engineering Practice Test

Building Engineering Practice Test

Building Engineering Building Engineering MCQ 4