CBCP CBCP Energy Management & Sustainability

Question 1

What is the primary goal of energy commissioning in a new building?

Accepted Answer

Verifying that energy-consuming systems operate as designed to meet energy performance targets

Answer

Reducing construction costs

Answer

Selecting utility providers

Answer

Installing renewable energy systems

Question 2

ASHRAE Standard 90.1 is primarily referenced in US building commissioning for which purpose?

Accepted Answer

Energy efficiency requirements for buildings except low-rise residential

Answer

Ventilation and indoor air quality requirements

Answer

Fire and life safety codes

Answer

Water efficiency standards

Question 3

What is an 'Energy Use Intensity (EUI)' metric used for in building commissioning?

Accepted Answer

Quantifying a building's annual energy consumption per square foot to benchmark performance

Answer

Measuring outdoor air quality index

Answer

Calculating the peak electrical demand charge

Answer

Determining the HVAC system tonnage

Question 4

During retro-commissioning of an existing building, a commissioning agent discovers that the AHU is running at full speed 24/7 even when the building is unoccupied. What is the recommended corrective action?

Accepted Answer

Implement an occupancy-based scheduling sequence and add a VFD if not present

Answer

Replace the AHU with a larger unit

Answer

Increase the cooling setpoint by 5°F

Answer

Install additional ductwork

Question 5

What does LEED's 'Enhanced Commissioning' credit require beyond fundamental commissioning?

Accepted Answer

A third-party commissioning authority independent of the design team, with additional scopes including envelope and lighting systems

Answer

Installing solar panels on the roof

Answer

Achieving a 50% energy reduction below ASHRAE 90.1

Answer

Conducting annual occupant satisfaction surveys

Question 6

What is the function of a Variable Frequency Drive (VFD) in energy management of a pumping system?

Accepted Answer

Varying motor speed to match actual load, reducing energy consumption compared to constant-speed operation

Answer

Converting AC power to DC for controls

Answer

Providing emergency backup power to pumps

Answer

Monitoring water quality parameters