Mold and cast - Study guides, Class notes & Summaries

Mold and cast Question and answers rated A+ 2024 mold - correct answer A type of trace fossil that forms when a shell, bone, or other animal part leaves its impression in soft sediment and the impression remains when the sediment becomes rock mold - correct answer The hollow space left when sediment hardes abround an object before it decays cast - correct answer A type of trace fossil formed when a cavity left by a shell, bone, or other animal part is filled with sediment that bec...

Mold and cast mold - correct answer A type of trace fossil that forms when a shell, bone, or other animal part leaves its impression in soft sediment and the impression remains when the sediment becomes rock mold - correct answer The hollow space left when sediment hardes abround an object before it decays cast - correct answer A type of trace fossil formed when a cavity left by a shell, bone, or other animal part is filled with sediment that becomes rock cast - correct answe...

Fossils - Science Olympiad Latest Update sandstone Foraminifera (Forams) porifera siltstone Permineralization When the pores of the plant materials, bones and shells are impregnated by mineral matter from the ground, lakes or ocean Petrification/silicification When the organic matter is completely replaced by minerals and the fossil is turned into stone Mineral replacement Fossils that preserve the structure of the original organically produced matter without actu...

Fracture is a type of material failure. Of the following which is another type of material failure? - Permanent deformation. Which of the following statements best differentiates between a defect and a discontinuity? - Discontinuities can propagate and become defects. Nondestructive testing is often differentiated from other measurements or inspection techniques in that: - NDT involves indirect tests related to some other quality or characteristic of material. What are the functions of ...

Fossils Science Olympiad Latest Update Graded A+ Conditions required for a plant or an animal to become fossilized Hard body parts (bones, teeth, shells) - soft body parts will not fossilise, but may leave behind trace evidence (e.g. imprints) -Preservation of remains (protection against scavenging, erosion and environmental damage) -High pressure to promote mineralisation of remains (i.e. turn hard body parts into fossilised rocks) -Anoxic (low oxygen) conditions to protect against ...

ACI Concrete Field Testing Technician Grade 1 Study Guide Latest Update Rated A+ ASTM C31 / C31M-06 Standard Practice for Making, Curing, Protecting & Transporting Test Specimens in the Field Conditions. ASTM C1064 /C1064M-05 Standard Test Method for Temperature of Freshly Mixed Hydraulic-Cement Concrete ASTM C172 -07 Standard Practice For Sampling Freshly Mixed Concrete From Different Containers Used In The Production or Transportation Of Concrete. ASTM C143 / C143M-05a Stand...

GACE Test for Art Education Review Rated A+ Clay suspended in water. Slip Appropriate ways to produce a textured surface on a moist clay project that is going to be fired. Pushing and pinching with ones fingers Digging parallel channels with a comb Using a slip to press on scored pieces of moist clay. In textile manufacture, is a term for the threads of a loom that supports the weave and thus serve as the framework for woven cloth. The wrap A natural colorant traditionally use...

Power Engineering 4A Welding Questions and Answers Rated A+ Hardness Ability to resist wear, abrasion, cutting and indentation Brinell Tester Ball is forced by hydraulic pressure into the test specimen and the diameter of the indentation is measured Rockwell A 1.6 mm ball or diamond cone is forced onto the specimen and loaded with 100 kg. The ball or cone make an impression on the specimen which is measured to 0.002 mm and the indentation is converted to a hardness reading Brittl...

C11 Questions and Answers Already Passed What are the six activities that are conducted on almost every manufactured product? Design, material selection, process selection, manufacture, inspection and evaluation, and feed back. Materials Processing the way a material is is converted into a useful shape with structure and properties that are optimized for the proposed service environment What are the five basic families of shape production processes? Cite one advantage and limitaio...

Types of cast irons: - correct answer -Gray Iron Malleable Iron White Iron Ductile Iron Alloy Irons Malleable iron is ____ - correct answer -heat treated for ductility White iron is ____ - correct answer -hard and wear resistant Ductile iron has ____ - correct answer -some ductility as cast Cast irons are located where on the iron-iron carbide diagram? - correct answer -Above 2% C Casting methods: - correct answer -sand casting permanent mold die casting investment casting ...