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Who should be involved in a requirements review? Draw a process model showing how a requirements review might be organized.
When emergency changes have to be made to systems, the system software may have to be modified before changes to the requirements have been approved. Suggest a model of a process for making these modifications that will ensure that the requirements document and the system implementation do not become inconsistent.
a motorcycle is moving at 30 ms when the rider applies the brakes giving the motorcycle a constant deceleration. during
steam enters a long pipe as a saturated vapor at a pressure of 2 mpa. due to heat loss from the pipe to the
a machine of mass 125kg supported by springs of total stiffness k750knm. the rotating parts have a mass of 2.5kg which
a beam with length l 40 in and a rectangular cross section with 2 in width and 3 in height is subjected to a uniformly
the greatest fluctuation of energy to be stored by an engine flywheel is 2kj when the mean engine speed is 4 revs. the
1 kg of air is polytropically compressed reversibly from 5 bar to 10 bar from an initial temperature of 300oC. Find the transferred heat and the change in entropy. Take the polytropic index as 1.25.
Using Dimensional Analysis, derive an expression for the drag coefficient of a high speed flow. At high speeds, you may assume the total drag depends on the fluid density p, average velocity U, Length scale of the object L, but does not depend on the..
the coefficients of friction between two blocks a and c and the horizontal surfaces are us0.24 and uk0.20. knowing that
Derive at least four concept designs to satisfy the given specification - draw a central cross-section of the heat exchanger
A small steel ball bearing with a mass of 13 g is on a short compressed spring. When aimed vertically and suddenly released, the spring sends the bearing to a height of 1.35 m. Calculate the speed at which the ball leaves the spring.
a cylindrical bar of metal having a diameter of 18.4 mm and a length of 192 mm is deformed elastically in tension with
consider the piston and cylinder arrangement indicated in the figure in which a frictionless piston with a
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