Using the stiffness method, write and solve the equations of equilibrium required to determine the horizontal and vertical components of deflection at joint 1 in Figure P15.1. For all bars

E = 200 GPa and A = 800 mm 2 .






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A(n) ____________________ is a dimension across two opposed (or partially opposed) surfaces, line elements, or points.

Fill in the blank(s) with the appropriate word(s).

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The _____ process is identified by the pointing of the wire tip from which hundreds of very small drops are projected per second axially across the arc gap to the molten weld pool.? ?  

A. buried-arc transfer? B. axial spray transfer? C. modulated current transfer? D. globular metal transfer?

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Under normal operations, some outside air will always be included to:

A) Increase the speed of air circulation. B) Prevent excessive levels of CO2 from building up. C) Maintain the correct humidity levels. D) Control the temperature more accurately.

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When a component is used to perform the function of start, it is generally connected in ____________________ with the existing start button.

Fill in the blank(s) with the appropriate word(s).

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