Finishings Flashcards
Which is not one of the six natural abrasives?
Silicon carbide
Which is a synthetic abrasive?
Silicon carbide
How are grain sizes determined?
They are sifted through screens with certain numbers of openings per inch
According to the video about Grancrete, what percent of the cost of a house in developing countries are the building materials?
70%
Grancrete is made using styrofoam and Grancrete that is ______ thick on either side?
1/2”
Which abrasive has abrasive grit coating between 50-70% of the surface?
Open coat
What i an electro static charge used for?
helping to bond the abrasive grants to the backing
A residence that is based on daily, weekly, or monthly rent without a contract is called an
extended stay motel
What of soils work in Terrablock machines?
Clay based soils
Which is not one of the main solid components in “Papercrete”
Water
Which is not a common name for abrasive stone shapes?
Rectangular
Quad Deck not only will make Tbeam floor trusses and roof trusses but it can also be used for what type of wall?
Tip or tilt up walls
Quad Deck can have an R value from
16-34
What is the major benefit of using Meyer Lock Blocks?
After the first course no mortar is needed
The light weight steel trusses and walls are ideal in tropic regions like South Africa. Why?
Termites can’t eat it
When smoothing a surface what should we be allying the process, since there is no sand involved?
Abrading
By using successively smaller abrasive grits, what is being accomplished?
The scratches are getting smaller and less noticeable
Why is an abrasive planer much better to used on curly grains woods such as maple over a life planer?
No chip out
Which sander proceed fewer scratches across the grain?
In-line sander
What word is used t describe keeping the belt centered on the rollers of a belt sander?
Tracking
The Tridipanel is considered a SIP what does this stand for?
Structural Insulated Panel
Besides the forming machine, the Nucon Steel New Frame process uses what tow types of software programs to produce the steel studs, braces, headers, etc. of a steel framed building
A design software and a processing software
What is used to attach a Diamond Peri Footing to be ground?
Metal tubes
What were the bell footings made by Bigfoot Systems made from?
Recycled polyehylene
Big Bell Footings are designed to used construction tubes that ranged from what diameter to diameter in inches.
6”-18”
What terms refers to the chemical reaction time for an adhesive to reach full strength?
Curing time
What terms refers to the length of time from spreading the adhesive to the time when the clamps can be removed?
Clamp time
Which contact cement is the safest to use?
water mix or acrylic
Which adhesive comes in both liquid and solid stick forms
Epoxy
Which adhesive is not adaptable to radio frequency gluing?
Contact cement
What is the purpose of distressing a finish?
Make it look worn
Which is not a method of applying finish?
Sponging
What is the name of the process of applying a highly thinned coat of finishing to a soft wood to help the stain to be more uniform in color?
Washcoat
Which is a synthetic penetrating finish?
Alkyd Oil
What does “sheen” result from?
Rubbing
If you cannot raid a dent by water alone what should you try?
A wet cloth and hot iron
Describe how dried glue affects the wood’s ability to accept stain.
It will not accept stain
What is the best method to use to located dried glue on a project?
Take a wet cloth and wipe it over the surface, glue will leave a light area
Using a torch or soldering iron to highlight areas of a product is referred to as a what?
Scorching
A ______ should be applied to a project and sanded lightly before a water based stain is applied.
surface conditioner
What is a major advantage of water based stain?
It comes in a wide variety of colors
Which stain is well suited for applying to vertical surfaces?
Gel stain
A wood dye is thinned with what?
Denatured alcohol
Which stain will get double darker each time it is applied?
Spirit stain
What is the name of the main tool that is used to apply a fake wood grain to a wood surface?
A graining tool
What kind of paint brush is best for applying latex finishes?
Synthetic
Nylon bristle brushes should not be used with which finish?
Shellac
How much of the bristles of a brush should be coated when loading the brush?
Half
At what angle should you hold the brush when applying finish?
15 degree
Which type of spray guy has air flowing through it all the time?
Bleeder
Which type of non-bleeder gun should be used for light finishes like lacquer?
Suction feed
Which is the proper way of cleaning the tip of a disposable spray paint can?
Invert the can, tilt slightly back, and spray until no paint, only propellant, comes out
What ancient people produced the first hydraulic concrete using a volcanism ash called pozzolan?
Romans
Which component below is not used in modern concrete?
Pozzolan
What is the name of the man that patented Portland Cement?
Joseph Aspdin
Which type of wood growth (spring or summer) is going to accept stain more readily?
Spring
Coating a prepared wood surface with thinned sealer or stain controller is known as what?
Washcoat
What is a typical disadvantage of NGR stains?
It dries too quickly
When might you choose not to use a filler on an open grain wood?
To see and feel the texture of the wood
What type of build-up topcoating materials may not require a sealer?
Synthetic finishes
Primer is applied to metal to help the top coating
Adhere
Why would you select a primer door that contrast with your enamel top coating?
So you can see where the paint is thin
What is the difference between cement and concrete?
Concrete is a mixture of cement, sand, water, and aggregates
Which is not one of the primary ingredients in portland cement?
Aggregate
What materials she been traditionally used to reinforce concrete?
Steel
Which material below is not used s reinforcing fibers in fiber reinforced concrete?
Polyethylene
Which ancient people started making mud bricks using a wooden mold?
Egyptians
What approximate temperatures are required to vitrify bricks to that they are water resistant?
1900-2000 degree Fahrenheit
What is the name of the special alumina silicate clay used to produce bricks?
Kaolin
What is the name of a decorative brick that 75% clay were a regular brick is 30%?
Terra Cotta
Which is not a factor that make composites better than conventional materials?
Low cost
Which is a key feature of a composite?
The composite is stronger than any of the components materials
Which is not an example of a natural polymer?
Fiberglass
Which of the three components of a composite is the type of bond that is made between two of the components?
Reinforcement
Which material is not used as fibers used in composites?
Mica
Which material is commonly used as flakes as reinforcement?
All are: mica, silver, glass
List the four main purposes for testing materials.
Safety and performance, quality, development, and research
What are the six principles types of standards produces by the ASTM?
Test method, specifications, practice, terminology, classification
List the five common nondestructive test discussed in the book.
Penetrant, radiographic, magnetic particle, ultrasonic, and electric current
Why is a magnetic testing method inappropriate to detect flaws in an aluminium casting?
Can only be used for ferrous allays
What is the purpose of using ultraviolet light in certain penetrant test methods, such as inspecting an engine block?
Shows fluorescent dyes that are used and creates, yellow green color against blue violet background
The video that we watched showed NDT procedure where it used an infrared camera to examine hot or cold areas of an object while it was in operation. What’s it known as?
Infrared thermography
Define what tensile test is.
When a gradually increasing uniaxial load is applied to a test piece until the piece fails, (piece is pulled apart until it breaks)
What is a splitting tensile test typically used on?
Concrete
Define what a compression test is.
Opposite of a tension test, instead of pulling spat a specimen, it is pressed together
What size is the typical concrete specimens for testing purposes?
6”x12”
Define what a direct shear test is.
Bar is usually sheared in device that clamps part of the specimen while the remaining portion is subject to load
Define what a torsion test is.
A chuck applies torque through the test specimen
What is the name of a dynamic test where a specimens is broken by a single blow?
Impact test
What type of hardness testing consist of a pressing a hardened steel ball into a specimen?
Brinell hardness test
What type of hardness test is used on soft materials like plastic and rubber?
Durometer hardness test
How is a fatigue test different from a tensile test?
stress limit
