Engineering, 19.07.2019 00:40 augustmarie
Two tanks are connected by a pipe with 600 mm in diameter and 4000 m in length the difference in height between the free surfaces of the two 20 m tanks. a small pipeline was connected at a distance of 1000 m from the upper tank. calculate the flow that is discharged to the lower tank if the small pipe is discharged 100 l/s
Answers: 2
Engineering, 04.07.2019 18:20
Acertain flow of air (at stp) has a velocity distribution given by v i (in ft/s). if this flow is going through a 4 ft square area in the yz-plane (centered at the origin), what is the mass flow rate (in lbm/s)?
Answers: 2
Engineering, 04.07.2019 19:20
The power source in a certain welding setup generates 3500w that is transferred to the low carbon steel work with a heat transfer factor of 0.85. the melting factor in the operation is 0.45. a continuous fillet weld is to be made with a cross-sectional area of 23 mm2 determine the travel speed at which the welding can be accomplished.
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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
Engineering, 06.07.2019 04:10
Steam enters a converging nozzle at 3.0 mpa and 500°c with a negligible velocity, and it exits at 1.8 mpa. for a nozzle exit area of 32 cm2, determine the exit velocity, mass flow rate, and exit mach number if the nozzle: is isentropic (a) (b) has an efficiency of 94 percent
Answers: 1
Two tanks are connected by a pipe with 600 mm in diameter and 4000 m in length the difference in hei...
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