1.) If you go away from home in the winter, it is advised to leave your...

 

  

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1.) If you go away from home in the winter, it is advised to leave your furnace on to at least 55 degrees F to prevent your pipes from bursting. Why do frozen water pipes burst? When Water froozes it expands. 2.) Pyrex glass is used in test tubes and beakers used in labs because it does not expand as much as this an advantage? regular glass when heated. Why 3.) Why do lock and keys need to be made of the same or similar materials in terms of linear expansion? 4.) If heated, would a cup of water expand more or less than a half a cup of water if an identical aluminum cup was used? 5.) If you have a gold ring and heat it up, does the hole in the middle grow or shrink? 6.) Two bodies made of the same material are heated to the same temperature. One is solid and one is hollow but they have the same external dimension and appearance. When the temperature is increased, will they have the same overall expansion or different? Why? Coefficients of Linear Expansion Material Aluminum Brass Copper Glass Invar (nickel-iron alloy) Quartz (fused) Steel a[K-¹ or (Cº)-) 2.4 x 10-5. 2.0 × 10- 1.7 x 10-5 0.4-0.9 x 105 0.09 x 105 0.04 x 10- 1.2 X 10 S eated, the copper arcs more (it 7.) A bi-metallic strip has a copper as one of its metals. When expands more). What metal(s) on the list would be a possibility to be on the other side and why? 8.) If you wanted to minimize any bend in a bi-metallic strip, which two metals on the list would you use? 9.) Automobile engines have cast iron parts (iron and steel have the same coefficient of linear expansion). What other metal would work best in terms of similar expansion under heat? 10.) Which of the materials on the list above will expand the most when heated? The least? Which of these would you choose to make a bridge out of? 11.) The Humber Bridge in England has the longest single span in world, 1410 meters in length. Calculate the difference in length of its steel deck from a winter day at -5.0 degrees C to a summer day of 35 degrees C. > 12.) A surveyor uses a steel tape measure that is 50.000 meters long at a temperature of 20 degree C. When it is a hot summer day the temperature is 35 degrees Celsius. What is the length of th tape measure then? 1.) If you go away from home in the winter, it is advised to leave your furnace on to at least 55 degrees F to prevent your pipes from bursting. Why do frozen water pipes burst? When Water froozes it expands. 2.) Pyrex glass is used in test tubes and beakers used in labs because it does not expand as much as this an advantage? regular glass when heated. Why 3.) Why do lock and keys need to be made of the same or similar materials in terms of linear expansion? 4.) If heated, would a cup of water expand more or less than a half a cup of water if an identical aluminum cup was used? 5.) If you have a gold ring and heat it up, does the hole in the middle grow or shrink? 6.) Two bodies made of the same material are heated to the same temperature. One is solid and one is hollow but they have the same external dimension and appearance. When the temperature is increased, will they have the same overall expansion or different? Why? Coefficients of Linear Expansion Material Aluminum Brass Copper Glass Invar (nickel-iron alloy) Quartz (fused) Steel a[K-¹ or (Cº)-) 2.4 x 10-5. 2.0 × 10- 1.7 x 10-5 0.4-0.9 x 105 0.09 x 105 0.04 x 10- 1.2 X 10 S eated, the copper arcs more (it 7.) A bi-metallic strip has a copper as one of its metals. When expands more). What metal(s) on the list would be a possibility to be on the other side and why? 8.) If you wanted to minimize any bend in a bi-metallic strip, which two metals on the list would you use? 9.) Automobile engines have cast iron parts (iron and steel have the same coefficient of linear expansion). What other metal would work best in terms of similar expansion under heat? 10.) Which of the materials on the list above will expand the most when heated? The least? Which of these would you choose to make a bridge out of? 11.) The Humber Bridge in England has the longest single span in world, 1410 meters in length. Calculate the difference in length of its steel deck from a winter day at -5.0 degrees C to a summer day of 35 degrees C. > 12.) A surveyor uses a steel tape measure that is 50.000 meters long at a temperature of 20 degree C. When it is a hot summer day the temperature is 35 degrees Celsius. What is the length of th tape measure then?

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1 Frozen water pipes burst because water expands as it freezes When the water inside a pipe freezes it expands and creates pressure on the walls of the pipe If the pressure becomes too much for the pi... View the full answer