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Problem 6.6:
Steam flows in a long, noninsulated pipe under a constant pressure of 2 bar. At the inlet of the pipe the temperature is 300 °C. Due to losses to the surroundings, the temperature at the exit of the pipe is 60 °C. Assume the surroundings to be at 25 °C. a) Draw a PV graph for the steam. Show the path of the process and all the relevant pressures and isotherms. b) Calculate the amount of heat removed from the steam. c) Calculate the entropy change of the steam. d) Calculate the entropy change of the surroundings. What is the entropy generation?
A rectangular loop is placed in the field of an in- finitely long straight conductor carrying a current of I amperes, as shown in Figure P12.1.2. Find an expression for the total flux linking the loop, assuming a medium of permeability µ.
In a project manager simulation were you made different language versions in French, German, and Japanese of a software product named LullSIM with an internal team. In this simulation you were not able to choose the option of hiring contractors, g..
In an experiment to determine specific gravity of a soil sample, the following data is obtained:Mass of empty pycnometer 20.4 g Mass of pycnometer with soil sample 51.6 g Mass of pycnometer with soil sample filled with water 88.6 g Mass of pycnome..
The circuit is to be tuned to the first station at a frequency of 1000 kHz. In order to minimize the interaction between signals, the tuning circuit response must attenuate the signal of the second station (with a frequency of 1020 kHz) by four ti..
A 500-hp, wye-connected, wound-rotor induction motor, when operated at rated voltage and frequency, develops its rated full-load output at a slip of 0.02; maximum torque of 2 times the full-load torque at a slip of 0.06, with a referred rotor curr..
Find the air fuel ratio for stoichiometric combustion of Butane by volume. Calculate the percentage of carbon dioxide present in the DRY flue gas if 30% excess air is used
Of the three imaging axes, which are actively controlled and which are passively sensed?
Calculate the induced armature voltage at rated load and terminal voltage. Take 2 V as the total brush-contact drop.
Fresh halibut livers containing 25.7 wt % oil are to be extracted with pure ethyl ether to remove 95% of the oil in a countercurrent multistage leaching process. Calculate the amounts and compositions of the exit streams and the total number of the..
Calculate the power factor for which the voltage regulation becomes zero on full load.
Suggest suitable materials of construction for the following applications: a. A 10,000 m3 storage tank for toluene
The blower-motor combination used at the gas inlet has an overall efficiency of 50 percent. Estimate the power cost per 8000 operating hours for forcing the air through the packing if the cost of power is $0.08 per kilowatt hour.
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