Is Used For Hanging Luminaires Less Formal Than Chandeliers That Are Used in Offices, Restaurants, and Many Other Places

 

is used for hanging luminaires less formal formal than chandeliers that are used in offices, restaurants, restaurants, and many other places.

Vanity light

 

Torchiere

Pendant

Sconce It is the difference in brightness brightness between an object and its background. background. Glare Diffuseness Reflection Contrast lighting is a directional lighting used used to emphasize a particular object or area. Task  Accent Decorative  Ambient

It is NOT a unit of ILLUMINANCE. Phot Lumens Footcandle Lux  _________ lamps are invented  _________ invented by Thomas Edison. Edison. Incandescent Mercury vapor  Fluorescent

Minimum lamp CRI for retail and and museum/ga museum/gallery llery where color quality is critical. 90-100 80-89 70-79 60-69

 ______ is used for for hanging hanging luminaires less formal formal than chandeliers chandeliers that that are used used in offices, offices, restaurants, and many other places.

 

Pendant Vanity light Sconce Torchiere  _________ lamps are invented by Thomas Edi Edison. son. Mercury vapor  Fluorescent Incandescent

Work ______ is an area, usually horizontally positioned, positioned, at which work is performed and on which which the illuminance is specified and measured.

Plane  ___________ is the space between  _________ between the luminaires and the work plane. Room cavity Floor cavity Ceiling cavity is the amount of light leaving an object, thus relating relating to how bright an object appears to the human eye. Illuminance Luminance Luminous intensity Candela It is the ratio of the light light absorbed versus the the light striking the surface surface Absorptance Transmittance Utilization factor Luminance It provides uniform illumination throughout the space. Ambient Accent Task Decorative It is the difference in brightness between between an object and its background.

 

Reflection Diffuseness Glare Contrast

 ___ switches can be used to vary the luminous flux (lumen output) from lamps lamps in a lighting installation. Door Dimmer Automatic Keyed

It is a telecommunications network network that extends over a large geographical area for the primary purpose of computer networking. LAN MAN WAN

It is that part of electromagnetic radiation radiation spectrum capable of exciting exciting the retina and ultimately producing a visual sensation. Reflectance Color  Visible light Brightness

Triax cable is a type of coax cable which has a core conductor and two concentric concentric non-conductive shields. True False Type of transmission media made up of long, thin strands of very pure silicon glass or plastic about the diameter of a human hair.

 

Signals Optical fibers Copper wiring Coaxial cables

Select 2 that belong belong to the primary types of coaxial cable. twinax UTP  jacket thicknet In an advanced home wiring system,the following following subsystems can be controlled and managed, EXCEPT ____. BANKING COMMUNICATION ENTERTAINMENT SECURITY/PROPERTY PROTECTION For twisted pair cable, the tighter the twisting, twisting, the lower the supported transmission transmission rate. True False

It physically carries electrical electrical or optical signals to and from devices and equipment equipment in a telecommunication system. telecommunication Telecommunications Telecommunicati ons system cabling Telecommunications Telecommunicati ons topology Telecommunications Telecommunicati ons signal

This lighting system utilizes utilizes luminaires which send most of the light downwards directly on the working plane but a considerable amount reaches reaches the ceilings and walls walls also. Semi-indirect Indirect Direct Semi-direct

 

It describes the manner in which the cable is run to individual workstations workstations on the network. Nodes Network topology LAN Cabling  A component component in the home wiring wiring system whi which ch is the central part of tthe he system that accepts incoming services and distributes services throughout the home. Service center  Node Circuit breaker  Universal multiuse outlets In COPPER WIRING, UTP stands for _____. Untied twisted pair  Uniformly Twisted Pair  Universal Type Package Unshielded twisted pair 

A 600-candela light source

emits a beam of light. Determine the illuminance (E), in

foot-candles, on a surface held perpendicular to and in line with the light beam at a distance of 5.8 ft.

 

 A component component in the home wiring wiring system whi which ch is the central part of tthe he system that accepts incoming services and distributes services throughout the home.

Universal multiuse outlets Service center  Node Circuit breaker 

A 600-cand andela light source emits a beam of light to a point on a drafting table. The source is held 5 ft above the table surface and the drafting surface is sloped at 22° from the horizontal. Determine the illuminance illuminance (E), in foot-candles, on the drafting surface. Lum x distance x cosdeg

 

A room 7 m × 10 m is lighted by 13 lamps to a fairly uniform illumination of 90 lux. Calculate the utilization coefficient coefficient of the room given that the output of each lamp is 1000 lumens. (Use 2 decimal places) 0.48

The connecting points in a telecommunications telecommunications network that are interconnected with cables. Cables Work area Pathways Nodes

In a Work Area, ______ connect work area equipment and devices to a telecommunications outlet. outlet. horizontal pathway patch cables patch panels Backbone