What do you understand by isotropic and anisotropic mechanical properties of materials? would you normally expect a polycrystalline material to exhibit isotropic behavior? explein

how is this a question? in order for me to answer it i have to understand the question

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unlike the threaded fasteners which are used to clamp the machine members, power screws are used to transmit power. common applications of power screws are: screw jacks: to lift weight. lead screw of lathe: for axial movement of tool and its precise positioning.

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the fed will purchase bonds from banks to inject money into the banking system. the banks can use these funds to provide loans to individuals and businesses.

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true

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