Sci. 8 - Mechanical Systems: 3.1 Evaluating Mechanical Devices
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Last updated over 4 years ago
12 questions
1
During the research phase, when a device is improved upon, certain criteria are taken into account. Of the criteria listed below, which would be the least important ...
During the research phase, when a device is improved upon, certain criteria are taken into account. Of the criteria listed below, which would be the least important ...
1
Mechanical devices are evaluated so that the consumer who is ultimately going to use it can make a better choice. Another important reason to carefully evaluate a mechanical device is to ...
Mechanical devices are evaluated so that the consumer who is ultimately going to use it can make a better choice. Another important reason to carefully evaluate a mechanical device is to ...
1
The design of mountain bikes to handle the rough terrain they would be used in, is considered to beevaluating a function because of this influence ...
The design of mountain bikes to handle the rough terrain they would be used in, is considered to be
evaluating a function because of this influence ...
1
Opening a can has evolved from the earliest cans which were made from iron in 1810. These can wereopened by using a ...
Opening a can has evolved from the earliest cans which were made from iron in 1810. These can were
opened by using a ...
1
The design and development of opening mechanisms for aluminum cans went through four distinctdesigns. To get the liquid out of the can you need one large hole or two smaller holes. If two holes areneeded, the first is designed to let air into the can, and the second hole is designed to ...
The design and development of opening mechanisms for aluminum cans went through four distinct
designs. To get the liquid out of the can you need one large hole or two smaller holes. If two holes are
needed, the first is designed to let air into the can, and the second hole is designed to ...
1
The "church key" was the first practical design for opening a can. It was a simple machine that multiplied the force needed to open the can. The simple machine it was designed after was the ...
The "church key" was the first practical design for opening a can. It was a simple machine that multiplied the force needed to open the can. The simple machine it was designed after was the ...
1
Another simple machine was built into the removable tab top. It consisted of a small ring that acted like a lever and would make the necessary hole by removing the tab from the can. This was a hugeimprovement, but it also created a huge problem. The problem it created was ...
Another simple machine was built into the removable tab top. It consisted of a small ring that acted like a lever and would make the necessary hole by removing the tab from the can. This was a huge
improvement, but it also created a huge problem. The problem it created was ...
1
By pressing on one of the buttons first - to release the pressure of the contents - before pressing on thesecond one - to have a hole large enough to drink out of - button cans were less problematic. Thepressure in the can came from ...
By pressing on one of the buttons first - to release the pressure of the contents - before pressing on the
second one - to have a hole large enough to drink out of - button cans were less problematic. The
pressure in the can came from ...
1
Environmental concerns created further improvements in can-opening devices throughout the 20th century. The ‘ecology top’ was the name given to the ...
Environmental concerns created further improvements in can-opening devices throughout the 20th century. The ‘ecology top’ was the name given to the ...
1
In a real evaluation of a mechanical device, designers always begin with ...
In a real evaluation of a mechanical device, designers always begin with ...
4
Explain the difference between the function and the design of a device. (pg. 306)
Explain the difference between the function and the design of a device. (pg. 306)
4
What personal and societal factors influenced the changes in devices used to open aluminum cans? (pg. 308)
What personal and societal factors influenced the changes in devices used to open aluminum cans? (pg. 308)