Download Lighting Technician Certification Exam: Practice Questions and Solutions and more Exams Nursing in PDF only on Docsity!
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Light | output | is | measured | in | ...? a) | Footcandles b) | Lumens c) | Watts d) | Electrons | - | Correct | answer | ✔b) | Lumens 1- Rated | lamp | life | is | the | time | when | ...? a) | Lamps | reach | 20,000 | hours | of | operation b) | 1/2 | of | a | large | group | of | lamps | are | expected | to | have | failed c) | All | lamps | are | expected | to | fail d) | It's | the | best | time | to | group | relamp | - | Correct | answer | ✔b) | 1/2 | of | a | large | group | of | lamps | are | expected | to | have | failed
The | Color | Rendering | Index | is | a | scale | that | describes | how | accurately | colors | look | when | struck | by | the | light | from | a | given | lamp. | How | is | the | scale | defined? a) | 0-100, | with | 0 | being | worst | and | 100 | being | best b) | 0-75, | with | 0 | being | worst | and | 75 | being | best c) | 0-100, | with | 100 | being | worst | and | 0 | being | best d) | 0-75, | with | 75 | being | worst | and | 0 | being | best | - | Correct | answer | ✔a) | 0-100, | with | 0 | being | worst | and | 100 | being | best 1- Which | of | the | following | is | NOT | a | typical | function | of | a | lighting | system? a) | Ballast | starts | and | operates | the | lamp b) | Lamp | produces | light c) | Ballast | records | energy | consumption | on | an | LCD | display d) | Luminaire | controls | the | direction | and | intensity | of | the | light coming | out | of | the | lamp | - | Correct | answer | ✔c) | Ballast | records | energy | consumption | on | an | LCD | display 1- Voltage | is | the | "push" | of | electricity, | which | reaches | resistance, | and | the | resulting | rate | of | flow | of | electric | power | down | the | line | is | called | ...? a) | Ballast | starts | and | operates | the | lamp b) | Lamp | produces | light c) | Ballast | records | energy | consumption | on | an | LCD | display
Which | is | NOT | one | of | the | most | important | questions | we | typically | need | to | ask | to | be | able | to | understand | and | compare | one | lamp | to | another? a) | How | long | does | the | lamp | last? b) | How | much | light | does | it | produce? c) | How | much | electricity | does | it | require? d) | What | is | its | noise | rating? | - | Correct | answer | ✔d) | What | is | its | noise | rating? 1- ____ | describes | the | gradual | decline | in | a | lamp's | light | output | as | it | ages. a) | Light | efficacy b) | Lamp | consolidation c) | Lumen | depreciation d) | Hours | per | start | degradation | - | Correct | answer | ✔c) | Lumen | depreciation 1- A | lamp | with | a | very | low | color | temperature | is | considered | ...? a) | Warm | light | source | (reddish) b) | Neutral | light | source | (white) c) | Cool | light | source | (bluish) d) | Energy-efficient | - | Correct | answer | ✔a) | Warm | light | source | (reddish) 1-
A | lamp's | color | rendering | ability | describes | how | well | it | can | relatively | ...? a) | Prevent | color | shifting | over | time b) | Raise | color | temperature | over | time c) | Show | colors | accurately d) | Produce | light | per | unit | of | consumed | energy | - | Correct | answer | ✔c) | Show | colors | accurately 1- If | a | lamp | is | rated | at | 20,000 | hours | at | three | hours | per | start, | this | is | the | lamp | life | if | the | lamp | is | ...? a) | Turned | off | and | on | quickly | every | three | hours b) | Left | on | for | three | hours | and | off | for | 15-20 | minutes c) | On | for | three | hours | and | off | for | three | hours d) | None | of | the | above | - | Correct | answer | ✔b) | Left | on | for | three | hours | and | off | for | 15-20 | minutes 2- A | reflector | fitted | onto | an | incandescent | lamp | is | used | to | ...? a) | Increase | color | rendering | ability b) | Push | light | in | a | direction c) | Make | the | lamp | last | longer d) | Decrease | heat | produced | by | the | lamp | - | Correct | answer | ✔b) | Push | light | in | a | direction 2-
Clear | incandescent | lamps | are | a | ...? a) | Point | source b) | Linear | source | - | Correct | answer | ✔a) | Point | source 2- Which | of | the | following | is | NOT | an | advantage | of | incandescent | lamps? a) | No | ballast | required b) | Lowest | initial | cost c) | High | energy | efficiency | compared | to | fluorescent d) | Easy | to | dim | - | Correct | answer | ✔c) | High | energy | efficiency | compared | to | fluorescent 2- If | we | have | an | incandescent | lamp | with | the | designation | 65BR30, | what | is | its | wattage? a) | 30W b) | 65W c) | R | class d) | 3-2/3 | - | Correct | answer | ✔b) | 65W 2- MOL | stands | for | ...? a) | Maximum | overall | light b) | Maximum | overall | length
c) | Minimum | overall | light d) | Minimum | overall | length | - | Correct | answer | ✔b) | Maximum | overall | length 2- Which | of | the | following | is | NOT | an | advantage | of | halogen | lamps? a) | Uses | a | line-voltage | ballast b) | High | efficiency c) | Crisp, | white | light d) | Compact | size | - | Correct | answer | ✔a) | Uses | a | line-voltage | ballast 2- A | PAR | lamp | is | an | example | of | which, | most | specifically, | of | the | following? a) | Rough | service | lamp b) | Capsule | lamp c) | Double-ended | linear | lamp d) | Reflectorized | lamp | - | Correct | answer | ✔d) | Reflectorized | lamp 2- Which | of | the | following | is | NOT | a | halogen | lamp | base? a) | Single-pin b) | Bi-pin c) | Double-contact d) | Screw-in | - | Correct | answer | ✔a) | Single-pin
Which | of | the | following | is | not | a | fluorescent | lamp | type? a) | Preheat b) | Metal | halide c) | Rapid | start d) | Instant | start | - | Correct | answer | ✔b) | Metal | halide 3- What | do | rapid | start | lamps | need | to | operate? a) | A | ballast b) | A | starter c) | An | ignitor d) | A | key | - | Correct | answer | ✔a) | A | ballast 3- Which | of | the | following | is | not | an | advantage | of | a | fluorescent | lamp? a) | Flexibility b) | High | efficiency | compared | to | incandescent c) | Fast | starting d) | Lamps | can | last | beyond | 90,000 | hours. | - | Correct | answer | ✔d) | Lamps | can | last | beyond | 90,000 | hours. 3-
On | a | parallel | circuit, | if | one | lamp | goes | out, | the | other | lamp | will | ...? a) | Fail | to | light b) | Continue | to | operate | normally c) | Light | only | dimly d) | Experience | severe | end | blackening | - | Correct | answer | ✔b) | Continue | to | operate | normally 3- What | is | the | diameter | of | a | T8 | lamp? a) | 0.5 | inches b) | 5/8 | inches c) | 1 | inch d) | 1.5 | inches | - | Correct | answer | ✔c) | 1 | inch 3- An | instant | start | F96T12 | lamp | is | how | many | inches | long? a) | 9 b) | 12 c) | 96 d) | 48 | - | Correct | answer | ✔c) | 96 3- In | a | lamp | code, | "T" | means | the | lamp | is | ...? a) | Circular
c) | Light | output | degrades | rapidly | compared | to | T d) | It | produces | the | same | amount | of | light | as | a | T8 | lamp | - | Correct | answer | ✔a) | Produces | more | light | than | a | T 3- Some | compact | fluorescent | lamps | have | bi-pin | or | 4-pin | bases, | and | others | have | screw-in | bases. | Which | of | the | following | do | we | know | to | be | true | about | CFLs | with | screw-in | bases? a) | They | have | a | warm | color | temperature b) | They | are | shatter-proof c) | They | are | preheat | lamps d) | They | are | self-ballasted | - | Correct | answer | ✔d) | They | are | self-ballasted 3- A | ballast | is | required | for | all | lighting | systems | except | ...? a) | Fluorescent b) | Metal | halide c) | Incandescent | and | halogen d) | CFLs | - | Correct | answer | ✔c) | Incandescent | and | halogen 3- Which | of | the | following | does | a | ballast | do? a) | Start | the | lamp b) | Control | the | current
c) | (a) | and | (b) d) | None | of | the | above | - | Correct | answer | ✔c) | Both | (a) | Start | the | lamp | and | (b) Control | the | current 3- Which | of | the | following | is | not | a | fluorescent | ballast | type? a) | Preheat b) | Rapid | start c) | Instant | start d) | High | pressure | sodium | - | Correct | answer | ✔d) | High | pressure | sodium 3- Trigger | start | ballasts, | which | operate | like | rapid | start | ballasts, | were | designed | to | operate | ...? a) | Rapid | start | lamps b) | Instant | start | lamps c) | Preheat | lamps d) | Slimline | lamps | - | Correct | answer | ✔c) | Preheat | lamps 3- A | Class | P | ballasts | is | one | which | contains | ...? a) | A | beeper | to | call | you | when | there's | a | problem b) | A | thermal | protection | device | that | shuts | down | the | ballast | if | it overheats
c) | Socket d) | Igniter | - | Correct | answer | ✔a) | Generator | / | driver 3- What | is | the | primary | cause | of | shortened | generator | life | in | an | induction | luminaire? a) | Occupancy | sensors b) | Frequency | of | starts c) | Heat d) | High | kWh | rates | - | Correct | answer | ✔c) | Heat 3- Typically, | induction | luminaires | use | what | type | of | socket? a) | Medium | bi-pin b) | Mogul c) | Edison d) | None | - | Correct | answer | ✔d) | None 3- Where | might | induction | luminaries | be | appropriate? a) | Tight | spaces b) | Hard-to-access | locations c) | Stadium | lighting d) | Accent | lighting | - | Correct | answer | ✔b) | Hard-to-access | locations
What | do | HPS, | all | pulse-start | MH | lamps, | low-wattage | MH | lamps | need | to | start? a) | A | key b) | Parallel | circuit c) | Starter | or | ignitor d) | Two | ballasts | - | Correct | answer | ✔c) | Starter | or | ignitor 4- Which | of | the | following | lamp | types | does | not | belong | in | the | HID | family? a) | Metal | halide b) | High-pressure | sodium c) | Halogen d) | Mercury | Vapor | - | Correct | answer | ✔c) | Halogen 4- Which | of | the | following | is | NOT | a | typical | application | for | HID | lamps? a) | Offices b) | Parking | lots c) | Factories d) | Street | lights | - | Correct | answer | ✔a) | Offices 4-
b) | The | pole | if | it's | mounted | on | one c) | The | ballast d) | The | nearest | circuit | breaker | - | Correct | answer | ✔c) | The | ballast 4- Which | of | the | following | is | NOT | a | ballast | used | to | operate | HID | lamps? a) | F-can b) | Core-and-coil c) | Preheat | CFL d) | Post | line | - | Correct | answer | ✔c) | Preheat | CFL 4- Which | of | the | following | is | every | ballast's | biggest | enemy? a) | Noise b) | Heat c) | Dirt d) | Line | voltage | - | Correct | answer | ✔b) | Heat 4- If | an | HID | lamp | bulb | is | phosphor-coated, | the | lamp | generally | has | better | ____ | than | clear | lamp | bulbs. a) | Color | qualities b) | Efficiencies c) | Service | life
d) | Voltage | ratings | - | Correct | answer | ✔a) | Color | qualities 4- Due | to | their | high | light | output | and | compact | sizes, | HID | lamps | are | ideal | for | lighting | ____ | spaces. a) | Small b) | Restricted c) | Large d) | Office | - | Correct | answer | ✔c) | Large 4- If | a | pulse-start | MH | lamp | experiences | a | momentary | power | interruption, | when | the | power | returns, | it | takes | 3-4 | ____ | to | re-strike | and | begin | the | warm-up | process | because | the | arc | tube | must | ____ | before | the | lamp | can | restart. a) | Seconds | ; | heat | sufficiently b) | Minutes | ; | heat | sufficiently c) | Seconds; | cool | down d) | Minutes | ; | cool | down | - | Correct | answer | ✔d) | Minutes | ; | cool | down 4- A | BT56 | lamp | is | ______________ | in | shape. a) | Tubular b) | Bulbous | tubular c) | Reflector
