Engineering, 03.03.2020 17:27 holyturnley
Consider the following C program: #include #include int main() { printf("%d\n", getppid()); while(1) {} } Suppose that we execute the program in the background with the command './a. out &'. This gives us the ability to run the ps command while the C program is executing. The following is displayed by the ps command: PID TTY STAT TIME COMMAND 9489 pts/0 Ss 0:00 -tcsh 10314 pts/0 R 0:14 ./a. out 10320 pts/0 R+ 0:00 ps a What is printed by the C program?
Answers: 3
Engineering, 04.07.2019 18:10
Afluid flows with a velocity field given by v=(x/t)i.. determine the local and convective accelerations when x=3 and t=1.
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Engineering, 04.07.2019 18:10
Water at 55c flows across a flat plate whose surface temperature is held constant at 95c. if the temperature gradient at the plate's surface for a given value of x is 18 c/mm, find a) local heat transfer coefficient. b) heat flux
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Engineering, 04.07.2019 18:20
Ahe-xe mixture containing a 0.75 mole fraction of helium is used for cooling electronics in an avionics application. at a temperature of 300 k and atmospheric pressure, calculate the mass fraction of helium and the mass density, molar concentration and molecular weight of the mixture. if the cooling capacity is 10 l, what is the mass of the coolant?
Answers: 3
Engineering, 06.07.2019 03:10
Steel balls 12 mm in diameter are annealed by heating to 1150 k and then slowly cooled to 400 k in an air att 325 k and h -20 w/m2 k. assume the properties of the steel to be k- 40 w/m k,p 7800 kg/m3, and cp 600 j/kg k. a. determine whether lumped system method can be used to analyze this problem and if so why" b. determine the time required for the cooling process. c. determine the total amount of heat lost from each ball to the ambient air
Answers: 1
Consider the following C program: #include #include int main() { printf("%d\n", getppid()); while(1)...
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