it can be said that one learns to colligate an action to its consequence. The bond between the action and the consequence is referred to as contingency‚ which further declares one’s behavior in the future (Alloy‚ Riskind & Manos‚ 2005). In Skinner’s theory of operant
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Superconductive wire can be made from an alloy of niobium and titanium which can then be used to make superconductive magnets. Other alloys of niobium‚ such as those with tin and aluminum‚ are superconductive as well. Pure niobium is itself a superconductor when it is cooled below 9.25 K (-442.75°F). Superconductive niobium cavities are at
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sharpened using a standard grinding wheel. HSS bits retain their full strength at high temperatures and will flex to withstand the unique forces of drilling. When drilling higher temperature alloys such as Titanium‚ Inconel‚ and Stainless Steel‚ a Cobalt composition bit is recommended. Cobalt steel alloys are made of a solid composition of high speed steel which contains more cobalt. Cobalt drill bits are designed for speed and longevity when using proper drilling techniques. They hold their hardness
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With the number of ball mill manufacturer’s increasing‚ the requirement of ball mill by customers becomes more and more strict. The material of ball mill lining board is changed into medium alloy steel from former high manganese steel. To fit the ever-changing market‚ our cement ball mill adopt medium alloy steel of high quality as material to make ball mill lining board. Henan Hongxing Machinery Co.Ltd parts workshop manufactures ball mill lining board with advantages followed: First‚ wear resistance
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rupees)? a)र10‚450 b) र10‚000 c) र12‚000 d) र11‚881 4. Bronze is an alloy of copper and tin in the ratio of 5 : 1. Brass an alloy of copper and zinc‚ consists of these elements in the ratio of 2 : 3. A new alloy is formed by melting bronze and brass‚ such that the contribution of copper in the new alloy is equal from brass and bronze. By what percent is the quantity of zinc present‚ more than the quantity of tin‚ in the new alloy? a)750% b) 650% c) 50% d) 325% 5. The distance between two stations
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aluminum. However‚ it ’s 45% lighter than steel and only 60% heavier than aluminum. Because titanium is not easily corroded by sea water‚ it is used in propeller shafts‚ rigging‚ and other parts of boats that are exposed to sea water. Titanium and its alloys are used in airplanes‚ missiles‚ and rockets since strength‚ low weight‚ and resistance to high temperatures are needed. Also‚ titanium doesn ’t react within the human body‚ so it ’s used to create artificial hips‚ pins for setting bones‚ and other
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Strength of 220 MPa and an Ultimate Tensile Strength of 430 MPa. Problem 7: A table which has three aluminium alloy legs carries an evenly distributed mass of 225 kg. Each leg is a circular tube of length 90cm‚ inside diameter 4.6cm and outside diameter 5cm. Neglecting the mass of the table and assuming that the legs compress elastically‚ find the compressive stress in one leg. If the alloy has a modulus of elasticity of 70GPa‚ what will be the shortening of the leg? Problem 8: Sketch a load vs.
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Mirror mirror on the wall; the story of justus von liebig’s invention “There are two ways of spreading light‚ to be the candle or the mirror that reflects it.” the inventor of the first silver plated mirror was Justus Von Liebig‚ a german chemist. His invention was first created about 200 years ago in germany. The very first mirror dates back to 6000 B.C. in modern day turkey Justus Von Liebig‚ created a method of mirror making which involved depositing silver‚ instead of the previously used lead
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1.John is twice as old as his friend Peter. Peter is 5 years older than Alice. In 5 years‚ John will be three times as old as Alice. How old is Peter now? 2. John’s father is 5 times older than John and John is twice as old as his sister Alice. In two years time‚ the sum of their ages will be 58. How old is John now? 3. Joan is 3 times as old as her sister. In 3 yeas ‚ shee will be two years more than twice the age her sister will be then. What are their ages? 4. Kevin is 4 years older than
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material’s resistance to localised plastic deformation (i.e. small dents or scratches). As said above‚ a variety of metal alloys were used in the experiments to understand how each of these metals is characterised as a hard metal and to compare the hardness of different metal alloys. A study of how the molecular structure and the carbon content affects the hardness of each metal alloy used is also done during the course of the experiment. Three different tests are used‚ namely: (i) Vicker’s Hardness
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