Workability Study guides, Revision notes & Summaries

Mortar Ingredients - Portland cement - Aggregate - Hydrated lime - Water sand purpose in mortar Sand provides the basic structural body of the hardened mortar Portland cement purpose in mortar Portland cement is the "glue" that binds the sand particles together Lime purpose in mortar improves the workability of mortar in its plastic state aggregate (sand) - Natural sand - Manufactured sand made from crushed stone, gravel, or furnace slag - A well-gra...

Accelerators admixtures that increase the masonry cement's rate of hydration Admixtures additives that Increase workability, strength, and weather resistance. Also add color. Air-entraining agents additives increasing the air content in cement Autogeneous healing a unique characteristics of lime-based mortars that have the capability by chemical reaction to fill small voids that may occur in the joints Bond strength a measure of the resistance to separation of m...

Difference between Asphalt and Tar correct answers Asphalt is soluble in petroleum, tar is not. Asphalt has bitumens, tar has low bitumens Two Different Distillation Process to Produce Asphalt correct answers 1. Fractional Distillation: Crude oil is heated, lighter oils vaporize and are drawn off, leaving behind asphalt cement 2. Destructive Distillation: crude oil heated under pressure to higher temperatures than fractional distillation Penetration test correct answers -Test hardness...

VERMEIL ITEMS MUST BE STERLING SILVER AND BASE COATED WITH GOLD OR GOLD ALLOY OF 10K OR FINER. THE COATING MUST BE AT LEAST - 2.5 MICRONS IN THE US MARKET, THE THREE MAIN JEWELRY CATEGORIES ARE FINE, FASHION AND - BRIDGE THE HEAVINESS OF AN OBJECT COMPARED TO ITS SIZE IS KNOWN AS ITS - HEFT THE FACTORS THAT MAKE UP A PRECIOUS METAL'S WORKABILITY ARE MALLEABILITY AND - DUCTILITY WHICH OF THESE METALS HAS THE LEAST METAL MEMORY? - PLATINUM WHAT METAL DOES A GOLDSMITH ADD TO GOLD TO GET AN ...

Aci concretebatch - correct answer quantity of material mixed at one time or in one continuous process. check sample - correct answer the quantity of concrete taken from the beginning of the batch for informational purposes. composite sample - correct answer sample obtained by blending two or more individual sample. fresh concrete - correct answer Concrete that possesses enough of its original workability that it can be placed and consolidated by the intended methods intervals - corr...

HIC Exam Questions and Answers Already Passed Nailing into hard wood, whats best to use ? Cut na To avoid hardening due to hydration ....use masonry mo before? 2 1/2 Hours Heat flows in what direction ? Hot to Cold First and most important step in using or preparing a material ? Thoroughly read and understand the manufactures directions . whats true abou the gypsum broads over wood framing ? Apply First to ceiling , then to wall What is used to remove air pockets from place...

GIA ALL QUESTIONNAIRS study guide verified 100%GIA ALL QUESTIONNAIRS study guide verified 100% Precious metals - Metals valued in jewelry, specifically gold, platinum, and silver, are known as Heft - The heaviness of an object compared to what size is known as its 18 karat - A gold alloy that contains 75% pure gold is Copper - What metal does a goldsmith add to gold to get an alloy with a reddish color Copper - Sterling silver is an alloy of Finesilver and The earrings a...

CMT Material Testing ANSWER- is a well-established technique used to determine the physical and mechanical properties of a materials and its components. 1. Quality of materials : 2. Cement-sand-gravel ratio 3. Water/cement ratio (w/c ratio) 4. Workability 5. Curing 6. Quality of machinery used in construction e.g. Mixer, Vibrator 7. Method of construction and speed of work: 8. Skills and experience of labor ANSWER- Factors affecting the quality of construction: Cement ANSWER...

Precious metals - Metals valued in jewelry, specifically gold, platinum, and silver, are known as Heft - The heaviness of an object compared to what size is known as its 18 karat - A gold alloy that contains 75% pure gold is Copper - What metal does a goldsmith add to gold to get an alloy with a reddish color Copper - Sterling silver is an alloy of Finesilver and The earrings are light and comfortable - Which is an example of a benefit? The necklace is platinum. The ring has a matte finis...

Masonry modular units to facilitate stacking Mortar Functions Bonds masonry units together and seals spaces in between, compensates for dimensional variation in the masonry unit and creates a decorative effect on wall surface Traditional Lime Mortar A low strength materials that doesn't bond excessively with masonry units Modern Masonry Mortar has a dense crystalline structure that becomes water insoluble once the hydraulic cement hardens within it Traditional ...