Lighting Design_old

Question 1

When evaluating daylighting systems in terms of glare,
the MOST important illumination conditions to be
evaluated are those occurring
A. when cooling loads due to solar gains are greatest.
B. when direct sunlight would penetrate the
fenestration.
C. at 2-hour intervals from sunrise to solar noon.
D. at the solstices and the equinoxes.

Answer 1

B. when direct sunlight would penetrate the

fenestration.

Question 2

A hospital is experiencing EMI problems with its radiology equipment. The lighting system in this area has been identified as a 2 x 4 lensed troffer. The interference can be attributed to the luminaire's
A. size.
B. proximity.
C. electrical characteristics.
D. spectral power distribution.

Answer 2

C. electrical characteristics.

Question 3

When evaluating an existing fluorescent lighting system
for potential LED upgrade, mean lumens to rated lumens is
A. ballast factor.
B. voltage drop.
C. lamp lumen depreciation.
D. luminaire dirt depreciation.

Answer 3

C. lamp lumen depreciation.

Question 4

Before a lighting system can be commissioned, the punch list
A. must be completed by the contractor.
B. must be certified by the inspector.
C. must be approved by the owner.
D. cannot be modified by the practitioner.

Answer 4

A. must be completed by the contractor.

Question 5

Before construction is completed, an electrical contractor should notify the lighting practitioner of the anticipated completion date so that
A. the practitioner can walk through with the electrical
inspector.
B. drivers can be calibrated by the electrical engineer.
C. a representative of the design office can help schedule installation.
D. a schedule can be set for aiming and adjusting the
fixtures.

Answer 5

D. a schedule can be set for aiming and adjusting the fixtures.

Question 6

To ensure a lighting design's projected energy savings are realized after installation, which of the following must be completed?
A. Calibrate occupancy sensors.
B. Focus the adjustable accent lights.
C. Inspect the branch circuit wiring.
D. Finalize the punch list.

Answer 6

A. Calibrate occupancy sensors.

Question 7

During the first site visit, which of the following information
should the practitioner collect?
A. resident preferences
B. current maintenance procedures
C. occupant age and gender distribution
D. impact of daylighting in existing spaces

Answer 7

D. impact of daylighting in existing spaces

Question 8

After collecting initial project information, which of the following should the practitioner do NEXT?
A. Establish preliminary design constraints.
B. Create a budget for the entire design.
C. Prepare plans and specifications for lighting the areas.
D. Replace all existing lamps with same wattage and type.

Answer 8

A. Establish preliminary design constraints.

Question 9

Prior to redesigning the lighting system, the practitioner should recommend
A. replacing the ceiling with a tan acoustical tile.
B. painting the walls with a cream semi-gloss paint.
C. replacing the flooring with a charcoal-colored carpet.
D. painting the north-facing walls with a navy blue high gloss paint.

Answer 9

B. painting the walls with a cream semi-gloss paint.

Question 10

To BEST integrate daylighting into the design solution, which of the following should the practitioner do at this time?
A. Install a pre-set control system that will control
daylighting levels through the control of existing
adjustable blinds.
B. Recommend all south-facing windows be redesigned to increase light penetration.
C. Install a photosensor-activated control system for both ambient lighting and motorized shades.
D. Recommend 2700K CCT luminaires be installed to match daylighting.

Answer 10

C. Install a photosensor-activated control system for both ambient lighting and motorized shades.

Question 11

Adding the shielding angle and the cut-off angle of a recessed downlight, gives the following.
A. Nadir
B. Ninety Degrees
C. One-Eighty Degrees
D. 20,000 Leagues

Answer 11

B. Ninety Degrees (Need to Confirm)

Question 12

Which is not a lighting controls strategy?
A. Energy rebates
B. Daylight Harvesting
C. Occupancy Sensing
D. Multi-Level Switching

Answer 12

A. Energy rebates

Question 13

Which of the following is not required to find the Room Cavity Ratio?
A. Length of the Room
B. Height of the Room
C. Height of the Workplane
D. Reflectances of the Room

Answer 13

D. Reflectances of the room (Need to confirm)

Question 14

What is not required to know the Co-Efficient of Utilization?
A. Reflectances of the Surfaces
B. Room Geometry
C. Type of Luminaire Used
D. Power Rate

Answer 14

D. Power Rate

Question 15

Which of the following is not required for a cost analysis?
A. Operating Hours
B. Maintenance Costs
C. Type of Light Source
D. Installation Costs

Answer 15

C. Type of Light Source

Question 16

What are Richard Kelly’s Three Elements of Light?
A. General glow, Flash and Focus
B. Ambient Luminescence, Focal Glow and Sparkle
C. Snap, Crackle and Pop
D. Ambient Glow, Focus and Shimmer

Answer 16

B. Ambient Luminescence, Focal Glow and Sparkle (Need to Confirm)

Question 17

Which surface would not benefit from the technique of grazing?
A. A Brick Exterior Wall
B. A Stone Fire Place
C. Drywall Wall 
D. Stucco Wall

Answer 17

C. Drywall Wall

Question 18

Vertical Illuminance is important in pedestrian walkways for?
A, High Angle Glare
B. Avoiding Pot Holes
C. Facial Recognition
D. Dressing Up Like a Deuce, Another Roller In the Night

Answer 18

C. Facial recognition

Question 19

A hospital is experiencing RFI problems with its radiology
equipment. The lighting system in this area has been
identified as a 2 x 4 lensed troffer. The interference can be
attributed to the
A. size of the luminaire.
B. proximity of the luminaire.
C. spectral power distribution.
D. number of luminaires in the room.

Answer 19

B. Proximity of the luminaire

Question 20

In life-cycle cost benefit analysis, the measure of results is expressed in
A. deferred expenses.
B. kWh saved.
C. net present value.
D. risk factors.

Answer 20

C. Net Present Value

Question 21

In barrier-free public building where emergency lighting
codes prevail, illuminated exit signs must provide an extra
warning for visually impaired visitors by
A. using high-luminance lamps.
B. incorporating braille letters.
C. beeping loudly.
D. flashing.

Answer 21

C. Beeping Loudly

Question 22

How many NEMA patterns are there?
A) 5
B) 6
C) 7
D) 8

Answer 22

C) 7

Question 23

What are the phases of design

Answer 23

Schematic and programming
Design development and construction documents
Construction and commissioning

Question 24

Average task height is what?

Answer 24

30” from floor

Question 25

How long do you need to wait for gas discharge lamps to warm up before taking measurements?

Answer 25

30 min