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New Technologies for Lighting Retrofits
1) The first step(s) in planning a retrofit is to:*
- A. Determine what is motivating the change
- B. Find the cheapest fixtures
- C. Make sure all parties understand what the expected outcomes are
- D. Find someone else to make the decisions
- E. A & C
- F. All of the above
2) When evaluating an LED retrofit product, be sure that it will perform correctly in which of the following ways:*
- A. Electrically - it lights
- B. Physically - it fits
- C. Optically - where does the light go
- D. Globally - does it take vacations
- E. A, B & C
3) True or False: The three main product choices when retrofitting a lighting system are: replacement of lamps with LED lamps, or an LED retrofit kit, or a new LED fixture.*
- A. True
- B. False
4) True or false: Because TLEDs are directional, they always deliver more light out of the fixture than you are retrofitting.*
- True
- False
5) CFL to LED retrofit lamps fall into which two basic types:*
- A. Directional
- B. Omni directional
- C. Static
- D. Specular
- E. B & C
- F. A & B
Operational Improvements Using Building Automation Systems
6) According to a Pacific Northwest National Laboratories Building Re-Tuning Study, the median annual energy savings after re-tuning was:*
- A. 0%
- B. 5%
- C. 15%
- D. 25%
7) True or False: Trend data is better than live data to identify comfort and efficiency opportunities because trends show patterns and anomalies over time?*
- A. True
- B. False
8) True or False: Too many trends will not impact Building Automation System performance.*
- A. True
- B. False
9) Which of the following can you NOT determine from analyzing energy data?*
- A. The building is scheduled to start too early or end too late
- B. Major equipment is short cycling
- C. There is no AHU discharge air temperature reset
- D. There is unoccupied building operation
- E. The building base load is increasing
10) True or False: Duct Static Pressure can be used as an indicator for AHU operation.*
- A. True
- B. False
Building Envelope Leakage/Infiltration - Air, Moisture and the Problems They Cause
11) What are three items that make up the building envelope in a typical structure?*
- A. Vapor barrier, insulation, windows
- B. Air barrier, cladding sheetrock, interior finishes
- C. Electrical wiring, studs (metal or wood), brick
- D. All of the above
- E. A & B
12) What do we call the assemblies that separate the interior of a building from the outside?*
- A. Air barrier
- B. Roof
- C. Envelope
- D. Drainage plain
13) Why does code require that we test building envelopes?*
- A. Energy conservation
- B. Moss control
- C. Structural damage prevention
- D. Occupant comfort
- E. A, C & D
14) What are two reasons that condensation can appear inside walls?*
- A. Lack of a vapor barrier
- B. High temperature differential between the inside and outside
- C. Water leakage
- D. A & B
- E. A & C
15) What do we call air/water penetration through cracks or voids in the walls?*
- A. Leaks in the building
- B. Channel flow
- C. Poor construction
- D. Lack of caulking
Troubleshooting Common Air Handler Problems
16) True or False: An air handling unit (AHU) is a device used to regulate and circulate air as part of a heating, ventilation, and air-conditioning (HVAC) system.*
- A. True
- B. False
17) A malfunctioning air handler unit (AHU) can cause huge comfort and energy efficiency problems for building owners and occupants. Select all of the following causes for an AHU malfunction.*
- A. Improper electrical
- B. Broken belts
- C. Failed motor
- D. All of the above
- E. None of the above
18) True or False: The size of a heating system is directly related to how efficiently it heats a building.*
- A. True
- B. False
19) A technician recommends pressure washing condenser coils on a packaged rooftop unit. You check the service history and determine that the coils were cleaned 3 months ago. In order to decide if the coil warrants cleaning, which of the following would be good to request/review?*
- A. Picture of the coil
- B. Pressure measurements, sub-cooling measurement, and temperature rise of air through condenser coil
- C. Geographic location of site
- D. If coil is made up of two coils wrapped around one another
- E. All of the above
20) True or False: A rooftop unit (RTU) is a type of air handling unit (AHU).*
- A. True
- B. False
Addressing Hot and Cold Calls
21) True or False: According to ASHRAE, the definition of thermal comfort is the condition of mind that expresses satisfaction with the thermal environment and is assessed by subjective evaluation.*
- A. True
- B. False
22) What are the factors that affect thermal comfort? Select all that apply.*
- A. Air temperature
- B. Humidity
- C. Clothing insulation
- D. Metabolic heat
- E. All of the above
- F. None of the above
23) Research has shown that individuals who are comfortable in their space or building show greater productivity among what benefits. Select all that apply.*
- A. Reduction in occupant illness
- B. Lower lease turnover rates
- C. Lower maintenance costs
- D. A & C
- E. All of the above
24) True or False: For building operation staff, developing a hot/cold call checklist can help troubleshoot issues in a timely manner.*
- A. True
- B. False
25) The mechanical systems help provide thermal comfort and maintain good indoor air quality (IAQ) in a building.*
- A. True
- B. False
Building Re-tuning without a Building Automation System
26) Tightening building operations can yield this much savings for little or no cost:*
- A. 0-5%
- B. 10-15%
- C. 10-25%
- D. 20-35%
27) Building Re-Tuning (BRT) includes which of the following:*
- A. Methods to improve operational efficiency
- B. Systems (not specific equipment as they affect operations and energy use)
- C. Low cost/no cost changes to operations
- D. All of the above
28) What is the first step of the BRT process?*
- A. Perform a walk through
- B. Select the "System of Interest" for re-tuning
- C. Determine the annual energy use of the building
- D. Change the filters
29) Building Re-Tuning address which of the following operational issues?*
- A. Equipment scheduling
- B. Air system controls
- C. Simultaneous heating and cooling
- D. All of the above
30) What is the most common commercial building size without a Building Automation System (BAS)?*
- A. 25-50k Square Feet
- B. 50-100k Square Feet
- C. 100-200k Square Feet
- D. >500k Square Feet
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99115

New Technologies for Lighting Retrofits

Operational Improvements Using Building Automation Systems

Building Envelope Leakage/Infiltration - Air, Moisture and the Problems They Cause

Troubleshooting Common Air Handler Problems

Addressing Hot and Cold Calls

Building Re-tuning without a Building Automation System

Your Information