Skip to main content

Outdoor lighting

Commonly used outdoor lamps are metal halide (MH) and high pressure sodium (HPS). LEDs are also increasingly replacing them in outdoor applications, such as pedestrian path lighting. The quality of light differs among lamp types and is an important selection criteria considered with efficacy, efficiency, lamp life, and initial cost.

Match the light quality with a lamp type:

I. amber light II. white to bluish white light III. warm white
1. MH 2. HPS 3. LED (3000K)

A. 1=I, 2=II, 3=III
B. 1=III, 2=I, 3=II
C. 1=II, 2=III, 3=I
D. 1=II, 2=I, 3=III




D is correct.
Kelvin scale, at 2000K-4000K is warmer (yellowish), while 10000K becomes cool white or bluish.
are-review.blogspot.com

Comments

Post a Comment

Try These Too!

Joint ventures

Which AIA document series includes agreements for joint ventures? A. A-series B. B-series C. C-series D. D-series E. G-series Answer C. C-series covers architect/consultant documents including joint ventures.
Post a Comment
See the answer »

Friction loss

Friction loss or static head in sizing of air ducts is given in this expression of units: A. pounds per square inch B. inches of water per 100 feet C. inches of refrigerant per 100 feet D. inches of water per foot Answer B. inches of water per 100 feet ARE 4.0 exam prep: BS
Post a Comment
See the answer »

Bolted connections

What is the minimum spacing of bolts specified by AISC? and preferred spacing? A. 1 1/4 times the diameter of the bolt; 2 times preferred B. 1 3/4 times the diameter of the bolt; 2 1/4 times preferred C. 2 1/3 times the diameter of the bolt; 2 2/3 times preferred D. 2 2/3 times the diameter of the bolt; 3 times preferred E. 3 times the diameter of the bolt; 3.25 times preferred
Post a Comment
See the answer »