NCARB Building Systems Integration

Question 1

Which HVAC system uses a single duct at a constant volume to condition all zones in a building?

Accepted Answer

Single-Zone Constant Air Volume (CAV)

Answer

A single-zone CAV system delivers a fixed quantity of conditioned air to one zone without modulating airflow volume.

Question 2

In plumbing design, what is the purpose of a P-trap?

Accepted Answer

To maintain a water seal that prevents sewer gases from entering the building

Answer

A P-trap holds a water seal in its curved section, blocking sewer gases and odors from traveling back through the drain into the occupied space.

Question 3

Which electrical panel component protects circuits from overloads and short circuits?

Accepted Answer

Circuit Breaker

Answer

Circuit breakers interrupt current flow when a fault or overload occurs, protecting wiring and equipment from heat damage and fire.

Question 4

What does the term 'R-value' measure in building assemblies?

Accepted Answer

Thermal resistance of a material

Answer

R-value measures a material's resistance to heat flow; higher R-values indicate greater insulating effectiveness.

Question 5

Which fire suppression system is most appropriate for a computer server room?

Accepted Answer

Clean Agent Suppression System

Answer

Clean agent systems use gaseous suppressants that extinguish fire without damaging sensitive electronic equipment or leaving residue.

NCARB - National Council of Architectural Registration Boards Practice Test