NCARB Building Systems Integration 2

Question 1

What is the primary purpose of a building's vapor retarder?

Accepted Answer

To limit moisture diffusion through the building envelope

Answer

To increase air tightness

Answer

To reflect solar radiation

Answer

To improve acoustic performance

Question 2

Which lighting control strategy reduces energy use by automatically turning off lights when a space is unoccupied?

Accepted Answer

Occupancy Sensor Control

Answer

Daylight Harvesting

Answer

Dimming Control

Answer

Time-Clock Scheduling

Question 3

A building's domestic hot water recirculation loop serves what function?

Accepted Answer

Ensures hot water is immediately available at fixtures without waiting

Answer

Increases water pressure throughout the building

Answer

Heats the building perimeter spaces

Answer

Filters sediment from the supply water

Question 4

What is the purpose of electrical grounding in a building system?

Accepted Answer

To provide a safe path for fault currents and protect people from electric shock

Answer

To increase voltage stability

Answer

To reduce energy consumption

Answer

To improve power factor

Question 5

Which system provides ventilation air specifically to meet ASHRAE 62.1 minimum outdoor air requirements?

Accepted Answer

Dedicated Outdoor Air System (DOAS)

Answer

Return Air Plenum

Answer

Exhaust Fan

Answer

Economizer Cycle

Question 6

In acoustic design, what does 'STC' (Sound Transmission Class) measure?

Accepted Answer

A partition's ability to reduce airborne sound transmission between spaces

Answer

The absorption of sound within a room

Answer

Impact noise through floor assemblies

Answer

Reverberation time in a space