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