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What size wrench is used to tighten the nut on a 3/8 x 3-1/2 carriage bolt?
9/16
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To accurately describe the size of a bolt, use the bolts ___ and length.
diameter
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As discussed in class, which of the following is hardward and not a fastener?
- a. bolt
- b. nail
- c. drywall screw
- d. hinge
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The nominal size of 2x4 is
2x4
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The actual size of 1x3 is
3/4 x 2 1/2
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There are 12 inches in a foot and, for scene shop purposes, __ parts to an inch.
16
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What is a means of powering a woodworking tool?
Air, Electricity, and Human
-
What is the predecessor of the modern day nail?
peg
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To accurately describe a staple, use the leg length and the ___
crown
-
-
Miter saw
Cutting an angle in a piece of wood
-
Cordless drill
Making a hole in a piece of wood
-
Stapler
Attaching fabric to a chair
-
Tape measure
Determining how long a board is
-
-
ear plugs
Protecting your ears from loud noises
-
framing square
making a 90 angle at a joint
-
diagonal cutter
Cutting a piece of wire
-
Utility knife
Trimming musling off of a flat
-
pipe clamp
holding two wide boards together
-
combination wrench
tightening a nut on a bolt
-
Jig saw
Cutting curves in a piece of wood
-
What are the two major categories of lumber?
hardwood and softwood
-
What is the best grade for plywood and lumber?
A and 1
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Kerf
describes the thickness of a saw blade
-
The garnish that usually foes with a bolt includes a nut and at least one
washer
-
What is worn to protect the eyes when working in the scene shop.
saftey glasses
-
The two primary categories of tools are?
handheld and power tools
-
What type of glue is used to attach one piece of wood to another piece?
Yellow
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Volt
The unit og measurement of electrical potential
-
Watt
The unit of measurement for an amount of electrical energy consumed and given off as heat
-
Electrical Current
The flow of electrons through a conductor.
-
Curvuit
A confuctive path through which electricty flows
-
Source
Origin of the potential
-
Load
A device that converts energy into another form
-
Amp
The unit of measurement of electrical current
-
Resistance
Opposition to electron flow
-
Using heat to connect one piece of steel to another is called what?
welding
-
Which of the following is a type of acrylic that comes in different forms such as clear or with a mirrored backing?
Plexiglass
-
Steel is often classified by how much of this contains:
carbon
-
3D scereny is used to create this on stage
levels
-
A platform on wheels is called a
wagon
-
What is an example of 2D scenery?
flat
-
What are the types of wood joints?
mitre, lap, butt
-
Which knot is best used to tie a rope to a piece of pipe?
clove hitch
-
What is the best method for moving a piece of scenery vertically above the stage?
flying
-
2D scenery with a frame is categorized as
hard
-
Which the production team members is responsibile for the construction of the set?
Techinical Director
-
What is a characteristic of a single purchase counterweight system?
The arbor and the batten each carry the same amount of weight.
-
Drop
A large, painted canvas
-
Fly
Hang scenery from the rigging system
-
Shift
Change the position of the set
-
Revolve
Device used to rotate scenery
-
Skid
A platform on glides
-
Grip
Physically handle a piece of scenery
-
Show Deck
Platforms legged and bolted together for a specific show
-
-
What ellipsodial has the shortest focal length?
6x6
-
What ellipsoidal has the longest focal length?
6x16
-
What ellopsoidal has the widest field angle?
6x6
-
What ellipsodial should have the longest throw distance?
6x16
-
Which of the following is not an accessory typically used with an ellipsoidal reflector spotlight?
- A. gobo
- B. Barn door
- C. Iris
- D. Color Frame
-
What a the common use for a scoop?
worklight
-
What does not create a smooth and even wash of light on the stage?
Beam projector
-
What is used to dim the light source inside a followspot?
Douser
-
Color
light, all color is derived from light
-
Hue
The quality that differentiates one color from another
-
Saturation
refers to the amount of a particular hue in a color mixture
-
Value
relative lightness or darkness of a color
-
Tint
a color with a high value
-
Shade
a color with a low value
-
Tone
a color of middle value
-
Primary colors
Those hues that cannot be derived or blended from any other hues.
-
What are the primary colors?
red, blue, and green
-
Subtractive color
colored filters allow one thier own hue to pass through the filitering medium, all other wavelengths are absorbed
-
Additive color
Two different colored lights projected onto a neutral surface are interpreted to be a combination of those two colors.
-
Gel (lighting)
made from natural gelatin and colored with synthetic dyes it faded quickly, was fragile when dry and disintegrated when wet
-
Plastic Color Media (Lighting)
made fom mylar or pilester in a variety of colors, a rugged, long-lasting, heat-resistant product that is the current standard for stage lighting instruments.
-
Glass (lighting)
longest lasting of all media types but color choices are limited. it is expensive, heavy and breaks easily. most common from primary colors.
-
Dichroics
relfects other colors rather than absorb.
-
What does a projection require?
A projector, an image, and a projection surface
-
What are the two categories of projectors?
Those without lenses and those with lenses.
-
What is an example of a lensless projector?
Linneback Projector
-
What are the three types of lens projectors?
Scenic, slide, and video
-
What are the three parts of the scenic projector?
Lamp housing, optical train, slide
-
What are the two basic types of dimmers?
Mechanical and Electronic
-
What are the tree Mechanical dimmer systems?
Saltwater, resistance, and autotransformer
-
What are the two types of Electronic dimmers?
Silicon Controlled rectifier dimmer (has no moving parts) and sine wave dimmer (newest)
-
What are the four main categories of control consoles?
group master, preset (set on cues), combination (part group master and preset), and computer memory
-
Descirbe the Lighting System Electrical Flow
Primary source enters the building > that servie branches out into different areas > from the dimmer rack, power then goes to the circuits around the stage > seperatae low voltage control signal runs between the control board and the dimmer rack > a lighitng instrucment is connected to the stage circuit and the control board tells the dimmer how bright to make the light.
-
Black, white and green stand for what in cable color coding?
hot, neutral, and ground
-
The larger the number of the wire gauge, the __ of the wire.
the smaller the diameter
-
What is the most common cable in stage lighting?
12 gauge, 3 conductor (12/3)
-
What is the ampage of a 12 gauge cable?
20 amps
-
-
Receptale
the female connector
-
What are the three types of cable connecting devices?
twist lock, grounded pin, edison plug
-
Feeder cable
larger cable in individual pieces for supplying input to dimmer rack
-
What are the four types of extension cables?
multicable, fan out, two-fer, and adatper
-
Circuiting
the districution of electicity to all of the stage lighting positions in a theatre
-
What are the four systems of distrubting circuits in a theater?
permanent wiring, spidering, patch panel, and dimmer per circuit
-
Name and describe the four types of patch panels
- Connecting strip - has an 18" pigtail every 12-18" with a connector at the end.
- drop boxes - small boxes containing 4 to 8 circuits ona larger cable that drops down from the grid to a pipe in the rigging stsmte
- floor pockets are covered opening in the stage floor that contain 3 to 6 citcuits
- wall pockets - are boxes of 3 to 6 circuits mounted in or on a side wall of the stage, sometimes with no cover
-
Semiconductor
is a material that is normally an insulator but can be modified to confuct electricity.
-
What is an example of a semiconductor?
Silicon
-
Diode
The simplest type of semiconductor, allowing current to flow in one direction but not the other.
-
How do LEDS differ from incandescent blubs?
They do not have a filement
-
Focal Length
Distance from the lens it takes the light converge into a single point.
-
Name and describe the four types of lenses
- Plano-convex lens - one flat face and once convex face; the greater the curature the shorter the focal length and the wider the beam
- Double Plano-Convex lens
- Step lens - same characteristics at the plano-convex lens but the flat side is cut away into layers
- Fresnel lens - varation of the step lens except the glass is cut away from the convex side not the flat side
-
Name the two types of lamps
Incandescent and Tungsten-Halogen lamp
-
What are the three parts of a lamp
Filament, Envelope and base
-
Arc Source
An electric arc between two electrodes
-
What is the output of an incandescent lamp?
just a measure of how bright the lamp
-
The smaller the filment the ____ the output but ___ shorter the life
greater, shorter
-
Lumens
measurement of the output of a lamp
-
Footcandle
measures the amount of light falling on a given area
-
1 footcandle = __ lumen
1
-
Angle of ____ = angle of reflection
incidence
-
Name and describe the four reflectors
- Spherical reflector - shaped like part of a sphere (used in fresenel)
- Ellipsodial Reflector - partial conical ellipse with two focal points
- Parabolic reflector - shaped like a conical parabola (used in PAR)
- Comboination Reflector
-
What are the two reflector materials
Metal and glass
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