SPFX STUDY AID Flashcards
Why avoid getting silicate of soda on a glass surfaces?
It will etch the surface of the glass, causing permanent damage,
Name at least 3 ways to make a good hand held dust effect
Penberhty siphon device, bunks gun, flocking gun, air, e-fan
How many liquid chemical smokes do you recall?
- A&B smoke ( mono ethyl amine and acetic acid)
- Titanium tetrachloride
- Sulphur trioxide and Chlorosulphonic acid
Is it always advisable to use a gas regulator when making window and door fires?
No, it is not
Describe how to build hand carried torches.
Handle, burlap, oakum, parafin celotex, silicate of soda, wire, large nail/pin
Other then steam and dry ice to create fog, give one other method to create the same fog, or name a device used
Rumble pot, dry ice, immersed in hot water
In a normal, upright position an LPG tank delivers a gas vapor, if it is turned upside-down, what does it deliver?
Liquid gas
Is it necessary to install a steam boiler in a level position? Why?
Yes, so that the float controls operate accurately and properly
What color smoke is given off if light oil, dipped briquettes are added to hot charcoal briquettes?
White
Name at least 2 burning materials that will make black smoke from a chimney.
Old Days- Rubber tires, Black smoke cookies, tar paper, M.E.K. and Kerosene.
What device is used on a Co2 cylinder to control the output pressure?
Regulator
About how many cubic feet of loosely spread snow is in a carton?
50 sq. ft. of 2” deep 8 cubic ft in a box
Name the proper safety steps in handling dry ice.
Handle wirth gloves and or pliers and wear safety glasses when breaking it.
On a rain job, a manifold is used for what purpose? Give 2 uses.
Distributes water flow
Control size of rain drops
Allows fixed pre settings of rain sources
If dry colors are not added to the plaster mix, what color will you end up with?
White
When doing fog effects outdoors, what is the most frequent problem to arise?
The Elements; wind and temperature variations
When using a pump to supply water for a rain job and loss of water pressure occurs, what could be some possible causes?
Loss of prime on suction hose
Loss of rpm on pump
Hose blockage
What materials are needed to create a wood burning smoke effect form an exterior chimney? Name at lest 3.
Madewell, Bee smoker, pancharcoal briquettes with oil drip, bee gum/olebanum, green grass on fire, oiled briquettes.
How is the correct gas pressure to the boiler controlled?
With a pressure regulator
An LPG tank has what kind of thread for connection?
Left -Hand
To rig and control a window fire, on stage, name at least 9 items to be used
- Fuel 6.Fire burner/ring
- Needle valve 7.Flake ash
- LPG Hose 8.Silencer
- Floor pad 9.Fire Protection
- Drywall/Sheet metal
Name the advantages of using flammable gas a s opposed to flammable liquids on a set.
Flammable gas is more easily controlled and unlike flammable liquids, does not have to be “redressed” between takes, easy shut off, and will not create a fire hazard buy building up fumes on the set.
What are the three sizes of hoses commonly used for rain jobs?
2 1/2”, 1 1/2”, and 3/4”
What is the purpose of a foot valve?
To keep the pump suction hose primed
If two 45 volt batteries were hooked up in parallel circuit, what is the voltage?
45 volts
Putting batteries in parallel raises amperage. !!!!!
If you can’t hide a sincere within 2’ - 3’ of a camp fire, what would you do?
Rig it in the gas line as close as possible to the fire but out of the shot
What problems might occur dispensing Co2 from a cylinder, through a regulator for long periods of time?
Freezing
When creating lightening flashes on a set, the cast and crew should be made aware of what possible injury to themselves?
Eye flash burns
If scale is allowed to build up in a boiler, what happens to the boiler?
Loses efficiency
Takes longer to heat up
Less fuel efficient
Lessens its life
Three 6 volt batteries are connecters together in a series circuit. What is their total voltage output. !!!!
18 volts
Name at least 4 materials you may use on an outdoor location snow set, which includes ground and vegetation.
Plastic flakes, gypsum, marble dust, unbleached muslin, foam, #2 ime rock, snow blankets, C-90, terram blanket, water.
How is the amount of Co2 accurately determined?
Weighing
Name four steps you can take to control or contain fog on stage.
Cool stage Wet down floor Build a ware around area Turn off air conditioning and fans Seal floor
On location in the desert, you are asked to make a 10 sq. ft. pond, your only source of water is a water wagon and the sand is too porous to hold water, give 2 easy ways of achieving this effect.
Install vinyl/plastic sheeting, drillers mud
How is pyrocrell used for deep footprints in the snow?
Placed in a slab in the walk pattern, in a snow set dressed with snow material to blend in with terrain.
To simulate heavy clouds passing by the window of and airplane you need..?
Liquid nitrogen, wind machine, air movers, made well fogger.
Describe two types of steam hose couplings
Boss ground joints-a bevelled machine fit
Washer-type- a pressure washer fit
Are water additives available toy lessen scale build-up in water?
Yes
A foam generator makes, what type of snow
A light, bubbly, fluffy, deep foam
What is the difference between LPG and Natural Gas?
LPG has been pressurized (liquified) and odorized
LPG is a liquid under pressure.
Natural gas is a low pressure gas vapor.
Name at least 2 material that are used to snow dress live trees on a permanent set?
Cotton batting Snow flocking Carsonal Jet-x foam Paper Snow
What is “penberthy”?
A siphon device
What do you construct a gas silencer out of?
A piece of pipe approximately 2” x 12 “ stuffed with steel wool and capped on the ends with bell reducers.
When creating either bubbling mud pots or quicksand, name at least three of the most common materials, excluding water that are used.
Vermiculite, Bentonite, drillers mud, Carbopol, methocell
Where is the proper place to store and use steam boilers on stage?
Offstage ( outside)
Why is it important to eliminate water condensation in steam lines on motion picture sets?
To lessen chances of accidentally spraying and burning cast and crew
What is wire rope?
Steel cable
Name at lest one material used to make the flame of a fire green.
Copper chloride, copper sulphate, borax
In preparing a car for a safe, high speed roll over, name at least 3 steps that are recommended for safety.
Install rollbar
Remove gas tank and install fuel cell,
Safety belts and harness
By itself, Co2 in a liquid state is useful in making effects. Name one or more uses.
Fog effects
Steam effects
Silicate of soda, when dry, becomes what?
A glass like fire - resistant material
Name two commonly used materials to create fire on clothing worn by actors.
Pyrogel
Contact cement
What is the most practical way to extinguish 15 or more hand-held torches so that they can be re-lit again?
Place into a barrel/drum containing dry ice.
When it is necessary to apply an interior fire set with flammable liquids what possible dangers exist?
Possible explosion
Premature ignition due to fumes
Toxic fumes/persons overcome
Name three main systems of a steam boiler
Water
Burner/Fuel
Steam/ Pressure
If you are getting crackling noise from heavy and irons in a gas fireplace, how can the noise be eliminated?
Turn fire hight for a few minutes before shooting, and get irons hot.
What fittings would you use for a swing joint?
An “elbow” and a “street L”.
A foam nozzle/tube/ play pipe makes what type of foam snow?
A wet, low, ground hugging foam.
When working in Carbon Dioxide, in either liquid or block form, two dangers are always present, what are they?
Freezing
Blistering of the skin
Displacement of oxygen/air.
Name 3 most common piano wire ties used in the Motion Picture Industry
Close tie
Butterfly tie
Copper tube tie
Does fog oil have a high or low flash point?
High
What are the 3 elements of an electrical circuit?
Source, conductors from the source to load, load
Is there such thing as a partial blow-down?
Yes
If the same oils are ignited, what color is the smoke?
Black
How is Pyrocell prepared?
Mix with water, pour into mould, box, allow to rise, expand and dry.
The pressure gauge on a steam boiler tells you what?
The steam pressure in the boiler
List 2 of the the most common methods of making fog, using dry ice
Pass steam over through dry ice, immerse in hot water, madewell fogger with dry ice basket
On stage, a courtyard snow set has been dressed with gypsum. The camera person wants to see sparkle or highlights, what can be done to accomplish this request?
Sprinkle mica flakes, glitters, napthlene flakes.
Liquid nitrogen is stored and shipped in what kind of container?
Pressurized metal tank; double-wall vacuum.
When frosting a window pane with stale beer and epsom salts, what is the ideal look/pattern you are trying to accomplish?
Ice, crystalline appearance.
Name at least 2 methods of simulation bullet strikes with using compressed gases or pyrotechnics.
Mouth blow tube
Mouse trap
Sling shot
Snap off patch
When using plastic snow flakes, especially out-of-door, what is the one big problem that should be considered?
Clean up
In creating a sustained dust storm, name at least 3 pieces of equipment that are used.
Penberthy tube Binksgun Flocking gun Gas/electric wind machines E fans Air movers
What is the hazard in using questionable quality hose as a main feeder hose on a rain job?
The possibility of rupturing line, resulting in the flooding of equipment and personnel on a film company; also, a ruptured line which may whip around can be dangerous
What is the name of the legal container used for storing up to 5 gallons of flammable liquids?
Safety can
Explain the preparation for depicting the instantaneous ignition and burning of bush.
Install remote ignition, apply fuels
What materials, mixed together, will safely simulate the oil in a oil well blow out? Give two examples.
Methocell, Carbopol, Lamp black, caustic soda in water mix, drillers mud and lamp black.
Name nine items necessary to rig a controlled campfire on a stage.
Burner ( slotted pipe or copper tube) Black iron pipe Proper fittings LPG hose Silencer Propane bottles Needle valve and spud adapter Floor pad Pilot wick Safety standby equipment (Co2 and Water)
Prior to making large quantities of dust or smoke, you must have what?
Either a permit or notification to the proper authorities.
When using salt to dress rails or seals what must be done to prevent the salt from running off?
Dampen salt
What must be done on a set to prepare t for low-lying fog for the day?
Build a ware around the are to be fogged in.
Cool the set down, using dry ice on the floor when possible.
Wet the floor down when possible
Turn off air conditioning and blowers.
A Helco Model 50A butane regulator could possibly be used for what fire effect?
Small fires, such as a campfire or fire place.
What is a slang term Silicate of Soda?
Water Glass
Name at least 2 problem cobwebbing an interior furnished set.
Damage to set dec and props
Glue melting from heat or style webs are flammable
When preparing interior set windows for a rivlet-type rain job, you must do what? What equipment is necessary?
Seal the window with silicone or caulking
You will need: Drip pipe Water catch basin Rain mat Siphon pump Drain hose
The minimum number of cable clamps/or clips to be used on 1/8” cable, per manufactures recommendations is?
Two
If The Fuller’s Earth color does not match the natural earth color, what must be done to correct this?
Add compatable dry colors to fuller earth for color match.
List at least 2 materials that can be used for soft blood hits.
Steric acid capsules
Red dyed green peas
Cotton wads/balls
When rigging with wire, rope or wire rope ect.., how is a “thimble” used?
Within the eye when turning a loop or an eye splice
What are the most common sizes of steam hoses used?
1/2”-3”
1/2”, 3/4”,1” 1 1/2”, 3”
What is “wire rope”
Steel Cable
Name at least 4 ways to create “atmosphere smoke”.
Old Days- Smoker bulb with cigarette,smoke pellets, smoke cookies.
*Now Days- Madewell, DF-50, power tiny, bee-smoke, duraflame logs.
Injecting air under pressure through mineral oil makes ___?
Fog, Smoke
To wet down a dirt set without changing the color of the dirt, what do you do?
Do nothing.
Steam hose differs form conventional hose in what way?
Steam hose is steel-reinforced, bonded carcass, and is pressure rated.
What is the purpose of a water gauge glass?
To indicate the water level in the boiler
If a water truck, used gravity feed, has a 3/4 outlet 10’ below the tank and has a pressure of 5 P.S.I., how can the pressure be raised to 10 P.S.I?
Raise the tank to 20 feet above the outlet.
Which is the larger size plastic flake #5 or #15
15
What materials simulate the appearance of heavy ice on a set?
Parafin, Sodium Hydro sulphate
If a propane tank freezes up, how can the gas be kept flowing to continue the shot?
Turn tank upside down and intermittently, bounce on ground.
Name 3 methods of making waves on a studio pond.
Wind machine Power gave maker Hand wave maker Pumpers "V" box Flat board
How is a submersible water primed?
Self Priming
For a fire job, on stage, where several 20 gallon butane tanks are to be used, where are the tanks placed?
As far from the set as possible and in line of the operator.
When using steam on a set, why is it recommended that you have a bleeder line?
To bleed of accumulated water condensation in steam lines and keep it out of various fog steam devices.
When using styrofoam to make floating ice, what must be careful to prevent from happening?
Eliminate cork buoyancy effect, tie down, weight down.
Normallly, smoke form an exterior chimney is from burning wood, what color is this smoke?
White
Name at least 2 hazards present, when using fog oil on stage
Fire or explosion
Excessive inhalation of vapors
Slippery floors
Name two pieces of equipment that are available for fogging o outdoor sets
Navy fogger
Dyna fogger/Igeba
Ritter/Gas plant- fogger
To show a knife blade cutting and drawing blood on a bare arm, there are 2 chemicals used, 1 applied to blade, the other to the arm. Name them.
A&B Blood= Potassium thiocynate-body
Ferric chloride - knife
Name the device that is used to eliminate the hissing sound from an L.P.G burner pipe.
Silencer
In using a pressure vessel ( tank) to hold a supply of air safely, name 2 pieces of equipment to be used and one condition to be met.
Pressure gag, Pressure relief valve
Tank certification
Why is it NOT recommended to turn water to rain stands quickly?
Eliminate bursting lines due to quick surges in pressure, avoid toppling rain towers
How does a suction hose differ from a fire hose?
Suction hose is steel-reinforced (rigid) to avoid collapsing.
Three 12 volt batteries are connected together in a parallel circuit, what is their total voltage output?
12 volts
Batteries in parallel have higher amps not volts !!!
In a tight, close shot, where sound is critical, to show movement of clothing and hair on an individual, Give 2 acceptable ways to accomplish this
E-fan
RE-Fan
Wind tunnel
Gobel/cutter
When operating try-cocks, what is released from them?
Upper-steam
Middle-steam and water
Lower-Hot water
How often is a complete blow-down of a boiler recommended?
At the end of each days work.
Most oils make smoke when heated, what color is that smoke?
White
What are the two most common components of fog juice?
Mineral oil, water/propylene glycol
Name two most evident disadvantages of using titanium tetrachloride
It is toxic and caustic to personnel.
It produces a bad odor
Silicate of soda (sodium silicate) is primarily used for what?
Fire retardant, fireproofing
What color smoke does naphthalene give off when burned?
Black
What is the approximate ratio of stale beer to epsom salts for ideal frost effects?
Two salt to one beer
To create a blizzard-like snow storm on a pre-dressed stage, snow set what additional equipment and material must you have?
Wind machine, plastic or starch snow flakes
The “Crosby clip” is used for what?
Wire rope, Cable
When pumping water from a river, with a pump, 2 items are necessary in order to pull and hold prime. What are they?
Suction hose/hard pipe.
Foot valve.
Is it advisable to have individual control valves on a manifold with one large shut off valve to control all of them?
Yes, to feed and control individual rainmaking devices and to enable you to preset these devices so that flow will be the same with each take
Where does an Eddy valve come from?
Department of Water and Power
Name 2 substances that can be burned independently to produce black smoke
Tar Paper
Diesel Fuel
Tires
Naphthalene
One bag of Fuller’s Earth fed in front of a large wind machine will make only a minor dust cloud. True or False?
False
Should a bleeder line be nearer to the boiler or the outlet?
Outlet
If a 6” diameter steam line delivers 15 PSI, approximately what PSI would a 3” line deliver?
35-50 PSI
What materials are most generally used to represent icicles ?
Saran wrap sheet, cellophane sheet, fiberglass cloth and polyester resin, silicate of soda, par fin, coating resin and molds.
For what effect is freon most frequently used?
Steam
What identification is used on an LPG tank adapter nut?
A center notch running around the circumference.
Name 3 methods of applying melted par fin for ice effects.
Parafin gun
Pouring
Dipping
Spraying
Name the one-part air-reactive chemical used to make smoke
Titanium tetrachloride
To rig and control a campfire on stage, certain rules and regulations must be followed and the proper equipment used. Name at least 10.
FIRE PERMIT FIRE PROTECTION GAS SOURCE VALVE HOSE SILENCER BURNERS FIRE/FLOOR PAD (DRY WALL/CEMENT BOARD) LOGS ASHES (ROCK WOOL/VERMICULITE
Name 2 methods of making icicles.
Forming a shape in glass cloth, apply clear polyester resin, form shape with cellophane, saran wrap coat with clear resin, parafin, ect..
What is the most widely accepted method or material for making rain drops on a set quieter?
Hogs hair, Swamp cooler filters
Batteries have positive and negative terminals, when connecting 2 or more batteries in a series circuit, explain how to proceed
Positive Terminal to Negative Terminal
Putting batteries in series raises voltage
How is a bee smoker used?
It is partially filled with hot coals, a small handful of bee gum is sprinkled on top of the charcoal, then the smoker is pumped by hand.
If handling dry ice with gloves, you can expect to be what?
Freezer burned