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10 Cards in this Set
- Front
- Back
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A luminaire is aa) type of light reflectorb) type of light refractorc) lamp ballastd) complete lighting unite) type of lamp |
d) complete lighting unit |
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When designing a lighting system which of the followingshould be considered?a) initial costb) operating costc) maintenance costd) all of the abovee) none of the above |
d) all of the above |
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Ambient lighting can be improved by two types of lighting:a) direct and indirectb) natural and artificialc) fluorescent and incandescentd) reflective or refractivee) general or local |
a) direct an indirect |
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Direct lighting systemsa) have a higher initial cost than indirect lightingb) have greater glare controlc) are more energy efficient than indirect lightingd) produce shadow free lighte) blend with the environment |
c) are more efficient than indirect lighting |
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When control for multiple locations is requireda) a 4-way switch is usedb) an off-on switch is usedc) two 2-way switches are usedd) three or more one-way switches are usede) two 3-way switches and two 4-way switches are used |
e) two 3-way switches and two 4-way switches are used |
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An advantage of low voltage switching isa) that local and remote control of lights is permittedb) the wiring does not require conduitsc) changes are simple and economicald) a and b are correcte) a, b and c are correct |
e) a, b, and c are correct |
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Occupancy sensors area) semi-automatic switchesb) self-regulating switchesc) automatic switchesd) modulating switchese) packaged switches |
c) automatic switches |
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Most dimmer switches sold todaya) divert some current through a variable resistorb) can be used with incandescent or fluorescent lightingc) save most of the power not being used by the luminaired) can control the lighting level from 0 - 100%e) are not cost effective as energy savers |
c) save most of the power not being used by the luminaire |
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The life safety code requires that emergency lighting beprovided for means of exit ina) places of assembly of less than 300 peopleb) all occupied spaces indoorsc) all multiple residence unitsd) all educational and institutional occupanciese) office buildings with occupancies of 300 or more people |
d) all educational and institutional occupancies |
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In large buildings approximately what percentage of theelectrical load is lighting?a) 60%b) 65%c) 70%d) 75%e) 80% |
a) 60% |
