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38 Cards in this Set
- Front
- Back
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Its is the temperature a which the solid is converted to a liquid |
Melting Point |
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Melting point of Mercury |
-38.9 degrees C |
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What is Density? |
Mass per Volume |
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Used in sinker |
Lead |
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What is Duralumin? |
Alloy of Aluminum and Copper |
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Used in lamp filament and it has of melting point of 3378°C. |
Tungsten |
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Ability of metals to undergo change in shape w/o breaking when the force is applied. |
Slippage |
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Is the binding force of metallic solids and its due the attraction of the (+) metal ions and the electron cloud. |
Metallic bond |
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Soft solder is compound of? |
60% Pb and 40% Sn |
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What is brass? |
70% Cu and 30% Zn |
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Due to the presence of free electron bond. |
Electrical conductivity |
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Best conductor of heat and conductor of electricity. |
Silver |
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Top 3 of best conductor of electricity. |
Silver,Copper and Aluminum |
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Used in molten baths-templates and it has of melting point of 233°C. |
Sn (Tin) |
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Used in thermometer. |
Mercury |
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Used in Switch-contact |
Mercury |
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Used in Contact-long life |
Platinum |
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What is the melting point of Steel (mild) |
1427°C |
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Used in PTS-Thermal fuses in furnace solder. |
Silver |
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What is resist tension? |
Tensile |
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What is resist of force of impact |
Impact |
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What is resist compressive |
Compressive |
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What are the melting point of Brass, Bronze,Constantan, and Invar? |
1027°C,1027°C,1292°C,and 1523°C |
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Metals expand when heated.The expansion might be very small,but these small changes in dimension usually result in the failure of many engineering structure if no allowance is made for this. |
Thermal Expansion of Metals |
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Is the property of a material by virtue of which permanent deformation can occur. |
Plasticity |
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Metals,being known for their good tensile property, are used in most engineering materials and processes. |
Strength |
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90% Copper and 10% Zinc. |
Bronze |
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45% Nickel and 55% copper. |
Constantan |
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80% Nickel and 20% Copper. |
Nichrome |
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Used in contacts-reinforce with steel core. |
Gold |
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Used in conducting wires. |
Copper |
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64% Iron and 36% Nickel |
Invar |
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The melting point of soft solder. |
183°C |
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What is Melting point of Nickel? |
1455°C |
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Low melting/high strength casting alloy |
Aluminum/Silicon 88/12 |
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Medium/high temperature components and has melting point of 1535°C. |
Fe (Iron) |
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Low melting alloys (Wood's metals) STS. |
Bismuth |
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Used in molten baths-STS |
Lead |
