Pound-for-pound manure is just as potent as commercial fertilizers
Indicate whether the statement is true or false.
F
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Pipe layouts are shown through the use of single-line and double-line drawings.
Answer the following statement true (T) or false (F)
What is the recommended crosshatch crossover angle on a typical liner?
A. 10 degrees B. 30 degrees C. 60 degrees D. 80 degrees
When removing or installing threaded valves, put the pipe wrench on the _____.
a. stem of the valve b. thread of the pipe c. handle of the valve d. body of the valve
N2 gas fills a flexible container with an initial volume of 0.05 m3, a temperature of 30oC, and a pressure of 800 kPa. The N2 gas is to expand in an isothermal manner until the pressure is 100 kPa.
(a) Determine the amount of heat transfer required for this process in order to maintain an isothermal nature. (b) Develop a computer model to simulate this process, and then plot the amount of heat transfer required for an isothermal process for final pressures ranging between 100 kPa and 600 kPa. Given: N2; T1 = T2 = 30oC; P1 = 800 kPa; V1 = 0.05 m3; P2 = 100 kPa Assume: N2 behaves as an ideal gas with constant specific heats: cv = 0.743 kJ/kg-K; R = 0.2968 kJ/kg-K; ?KE = ?PE = 0.