When is it acceptable to use a screwdriver as a pry bar?
What will be an ideal response?
Never.
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How does the result compare with the corresponding equation for an ideal gas?
Z = 1 + B?P + C?
+ D?
+ . . .
Derive an equation for the work of mechanically reversible, isothermal compression of 1 mol of a gas from an initial pressure 
to a final pressure 
when the equation of state is the virial expansion truncated to:
Z = 1 + B?P
Computer Study—comparison of cantilever and portal methods with an exact analysis. (a) Analyze the two-story frame in Figure P13.19 by the portal method. (b) Repeat the analysis using the cantilever method. Assume the area of the interior columns is twice the area of the exterior columns. Assume the baseplates connecting all columns to the foundations can be treated as a pin support. (c) Compare the results with an exact analysis using a computer software. Use E = 200 GPa for all members; for beams and interior columns use A = 10,000 mm 2 and I = 50 × 10 6 mm 4 ; for exterior columns use A = 5000 mm 2 and I = 25 × 10 6 mm 4
This describes a characteristic of a gas lens:gas lens
A) Gas flows in a smooth-flowing solid column. B) The gas swirls around inside the cup. C) Turbulence pulls atmosphere into the column. D) Having 4-5 holes through which the gas is diffused.
Technician A says that the four components found in paint shipped from the manufacturer are resins, pigments, solvents, and additives. Technician B says that the way to measure the thickness of a coating is with a viscosity cup. Who is correct?
A. Technician A only B. Technician B only C. Both Technicians A and B D. Neither Technician A nor B