Why should many of the constraints be imposed on a network after the basic logic network has been completed, rather than incorporating them as the network is being developed?
What will be an ideal response?
It may be advisable to develop an unconstrained scheduling network in
order to begin the scheduling analysis with an ideal case. As constraints are imposed
in successive iterations, the scheduler will have a fuller appreciation of the impact
that specific constraints have on the project duration. As these project extensions are
recognized, it will be easier to isolate the impact of specific constraints. If these
constraints are recognized early in the scheduling effort, it might be tempting to
automatically incorporate them in the original schedule and thereby limit or reduce
scheduling flexibility, increase project duration generally add to project cost, and
confuse the scheduling logic.
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All of the following characteristics generally described the colonists of North Carolina EXCEPT they were
A. poorer than the aristocratic neighbors in Virginia and South Carolina B. resistant to authority and independent-minded C. irreligious D. sympathetic to Indian tribes E. sturdy and adaptable to their physical environment
A re-roofing project in the capital budget would be categorized as _____________
A. major maintenance B. operational maintenance C. building remodeling D. common area maintenance
By the second millennium BCE, Mesopotamian scribes introduced into their writing signs for sounds, which are called
a. pictographs. b. ideographs. c. phonograms. d. logograms.
How is placement of the evaporator line determined when drawing a PH diagram of an operating system?
A) The evaporator line can be drawn anywhere that crosses the saturation curve as long as it is a horizontal line. B) Draw a vertical line across the saturation curve on a constant enthalpy line equal to the system low-side absolute temperature. C) Draw a horizontal line across the saturation curve on the constant pressure line equal to the system low-side absolute pressure. D) The evaporator line is always drawn on the horizontal line representing 50 psia absolute pressure.