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1. Rewrite the above description using the structured approach described in this chapter. Resolve the identified ambiguities in an appropriate way.
2. Write a set of non-functional requirements for the ticket-issuing system, setting out its expected reliability and response time.
A house is maintained at steady state (closed system) at 300 K while the outside temperature is 280 K. The heat loss is measured at 2 kW. Two approaches are being considered:
determine the fourier coefficients a0 an bn and the trigonometric fourier series for the function yt at where the
water enters the steam generator of the power plant shown in the figure at 7mpa 50 degrees c and exits at 7mpa 600
a 20-kg package is at rest on an incline when a force p is applied to it. determine the magnitude of p if 10 s is
the system under consideration is an electronic circuit board oriented vertically in 27 degree c air. due to electric
determine the time it takes for the ball to start rolling without slip and its speed when it does so. In addition, determine the distance it travels before it starts rolling without slip. Assume (mu)K = 0.10.
1. Four (4.0) lbm of CO2 are contained in a piston-cylinder system. The CO2 is initially at a temperature T1=500°R and pressure p1=20 psia. The CO2 undergoes the following two processes:
A commercial refrigerator with refrigerant- 134a as the working fluid is used to keep the refrigerated space at 235°C by rejecting waste heat to cooling water that enters the condenser at 18°C at a rate of 0.25 kg/ s and leaves at 26°C.
Discuss the condition of the water still in the bag and the reason for that condition. Base your discussion on topics that have been covered in this course so far.
A 0,5Kg mass attached linear spring suffress 01 N/m. Determine be naturak frequency of the system in hortz e reapert this calculation for a mass of 50Kg and a suffress of 10N/m and compare your result to that of part.
during the packaging process a can of soda of mass 0.4 kg moves down a surface inclined 20 degrees relative to the
Determine the thrust produced by this turbojet engine. (Hint: Choose the entire engine as your control volume.)
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