Fishing Rod think about the requirements for the fishing rod

Fishing Rod: think about the requirements for the fishing rod alone. What are the required properties for it? Search for group of materials that have these properties, select the best choice. Spark plug body: think about the requirements for the body of spark plug alone. What are the required properties for it? Search for group of materials that have these properties, select the best choice.

Requirements

Properties

Materials Group

Selected Material

Power Applied to make rod bend(Heavy ,light ,Medium)

Graphite

has a high melting point, similar to that of diamond. In order to melt graphite, it isn\'t enough to loosen one sheet from another. You have to break the covalent bonding throughout the whole structure.

has a soft, slippery feel, and is used in pencils and as a dry lubricant for things like locks. You can think of graphite rather like a pack of cards - each card is strong, but the cards will slide over each other, or even fall off the pack altogether. When you use a pencil, sheets are rubbed off and stick to the paper.

has a lower density than diamond. This is because of the relatively large amount of space that is \"wasted\" between the sheets.

is insoluble in water and organic solvents - for the same reason that diamond is insoluble. Attractions between solvent molecules and carbon atoms will never be strong enough to overcome the strong covalent bonds in graphite.

conducts electricity. The delocalised electrons are free to move throughout the sheets. If a piece of graphite is connected into a circuit, electrons can fall off one end of the sheet and be replaced with new ones at the other end

Graphite

Fibre Glass

Rod Action (How Far & easily Bend)

Fibre Glass

Length of Rod

Fibre Glass resistance to corrosive attacks; tight structure;superior shock and wear resistance;lightweight;simple assembling;cheap maintenance in service;low electrical conductivity;damage and breakage resistance;

Durability

Requirements	Properties	Materials Group	Selected Material

Power Applied to make rod bend(Heavy ,light ,Medium)	Graphite has a high melting point, similar to that of diamond. In order to melt graphite, it isn\'t enough to loosen one sheet from another. You have to break the covalent bonding throughout the whole structure. has a soft, slippery feel, and is used in pencils and as a dry lubricant for things like locks. You can think of graphite rather like a pack of cards - each card is strong, but the cards will slide over each other, or even fall off the pack altogether. When you use a pencil, sheets are rubbed off and stick to the paper. has a lower density than diamond. This is because of the relatively large amount of space that is \"wasted\" between the sheets. is insoluble in water and organic solvents - for the same reason that diamond is insoluble. Attractions between solvent molecules and carbon atoms will never be strong enough to overcome the strong covalent bonds in graphite. conducts electricity. The delocalised electrons are free to move throughout the sheets. If a piece of graphite is connected into a circuit, electrons can fall off one end of the sheet and be replaced with new ones at the other end	Graphite	Fibre Glass
Rod Action (How Far & easily Bend)		Fibre Glass
Length of Rod	Fibre Glass resistance to corrosive attacks; tight structure;superior shock and wear resistance;lightweight;simple assembling;cheap maintenance in service;low electrical conductivity;damage and breakage resistance;
Durability

Fishing Rod think about the requirements for the fishing rod

Solution

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