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Mr. Gregory White
Mr. Gregory White, Master's Degree
Category: Multiple Problems
Satisfied Customers: 5240
Experience:  M.A., M.S. Education / Educational Administration
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Which of the following units is used to measure the

Customer Question

Which of the following units is used to measure the chromaticity of a lamp?
A. Degrees Fahrenheit
B. Amperes
C. Degrees Kelvin
D. Watts
2. Which of the following is not measured in lumens/ft2?
A. Illuminance
B. Exitance
C. Footcandles
D. Candlepower
3. A lamp with the code 35 PAR36/H/SP 8 has a wattage of
A. 8 W.
B. 35 W.
C. 36 W.
D. 71 W.
4. Which of the following lamps does not require a ballast to operate?
A. A metal halide lamp
B. A high-pressure sodium lamp
C. A mercury lamp
D. An incandescent lamp
5. What is the efficacy of a 1,000 W PAR-64 halogen lamp with rated lumens of 19,400?
A. 0.51
B. 0.64
C. 19.4
D. 303.1
6. The ordering code for a large incandescent lamp provides information on the
A. lamp voltage, bulb type and size, and sometimes lamp color.
B. lamp voltage, bulb size and special features, and sometimes filament type.
C. lamp power requirement, bulb type and size, and sometimes lamp color.
D. lamp power requirement, bulb size and special features, and sometimes filament type.
7. Approximately what percentage of visible light is given off by a 100 W incandescent lamp?
A. 10 percent
B. 30 percent
C. 50 percent
D. 80 percent
8. Which of the following is a filling gas that's used in tungsten-halogen lamps?
A. Argon
B. Nitrogen
C. Krypton
D. Bromine
9. The four types of screw bases that are available for general-service lamps are
A. mogul, medium, intermediate, and candelabra.
B. mogul, medium, intermediate, and small.
C. large, small, medium, and candelabra.
D. mogul, small, candelabra, and medium.
10. Which of the following are the three best-known types of high-intensity discharge (HID) lamps?
A. HPS, mercury, and fluorescent
B. Fluorescent, mercury, and metal halide
C. Mercury, metal halide, and HPS
D. Fluorescent, metal halide, and HPS
11. Which of the following is described as a highly charged particle that moves at high speeds, in a wavelike motion, and in a linear direction?
A. Neutron
B. Photon
C. Neon
D. Electron
12. The voltage that most incandescent large lamps operate at is
A. 24 V.
B. 30 V.
C. 120 V.
D. 277 V.
13. Which of the following lamp shapes is made from two pieces of pressed glass and used for low-voltage, line-voltage, and tungsten-halogen lamps?
A. C shape
B. F shape
C. G shape
D. PAR shape
14. If an environment may contain moisture, you should use lamps with bases that are made of
A. copper.
B. brass.
C. aluminum.
D. zinc.
15. In using the halogen cycle in an incandescent lamp, the tungsten redeposits itself onto the
A. base.
B. filament.
C. inside of glass bulb.
D. button rod.
16. A lamp has a code of 35 PAR36/H/SP 80. The H in this lamp code stands for
A. high output.
B. high-pressure sodium.
C. heat.
D. halogen.
17. The three general categories of lamps are
A. incandescent, fluorescent, and high-intensity discharge.
B. incandescent, compact fluorescent, and high-pressure sodium.
C. mercury, tungsten-halogen, and high-intensity discharge.
D. mercury, tungsten-halogen, and low-pressure sodium.
18. A PS30 incandescent lamp has an overall maximum diameter of
A. 1.5 inches.
B. 3.75 inches.
C. 5.25 inches.
D. 6.0 inches.
19. A double-ended halogen T lamp will not usually be used
A. as outdoor floodlighting.
B. in a torchere (floor lamp).
C. as a swimming pool light.
D. in a sconce.
20. If a bulb's aluminum base gets stuck in a socket, the problem is most likely caused by
A. an improper socket voltage.
B. an improper socket mounting.
C. an improper lamp size.
D. too much moisture.
21. Which of the following lamp types is exempt from the Energy Policy Act of 1992?
A. A standard-wattage R lamp
B. An 80 W PAR lamp
C. A 150 W PAR lamp
D. Certain fluorescent lamps
22. Which of the following methods is used to obtain colored light from a filament lamp?
A. Additive
B. Subtractive
C. Multiplicative
D. Divisible
23. If you operate a 130 V lamp in a 120 V service, the lamp life will
A. decrease.
B. increase.
C. stay the same.
D. immediately be terminated.
24. Which of the following is required with a low-voltage incandescent lamp that's operating on a standard service?
A. A ballast
B. A step-down transformer
C. Argon gas
D. Phosphors
25. Which of the following terms does not describe one of the uses of an MR lamp?
A. Display lighting
B. Accent lighting
C. A narrow spot
D. An extra wide flood
Submitted: 1 year ago.
Category: Multiple Problems
Expert:  Mr. Gregory White replied 1 year ago.

Hello, my name is Greg.

Please be sure to rate my response when satisfied as that is the only way I receive credit for my help today.

Be sure to check these answers against your own work!

1. A - Degrees Kelvin
2. D - Candlepower
3. B - 35 watt
4. D - An incandescent lamp
5. C - 19.4
6. C - Lamp power requirement, bulb type and size, and lamp color
7. A - 10 percent
8. D - Bromine
9. A - Mogul, medium, intermediate, and candelabra
10. C - Mercury, metal halide, and HPS
11. B - Photon
12. C - 120V
13. D - PAR shaped
14. B - Brass
15. B - Filament
16. D - Halogen
17. A - Incandescent, fluorescent, and high-intensity discharge
18. B - 3.75 inches
19. D - In a sconce
20. D - Too much moisture
21. D - Certain fluorescent lamps
22. B - Subtractive
23. B - Increase
24. C - Argon gas
25. D - An extra wide flood

Expert:  Mr. Gregory White replied 1 year ago.

Let me know if any questions. Be sure to rate when satisfied as that is the only way I receive credit for my help on these questions. Have a wonderful week.

Expert:  Mr. Gregory White replied 1 year ago.


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