Air at a temperature of 25° C and standard atmosphericpressure of 101.3 kPa flows through the nozzle into thepipe where the absolute internal pressure is 90 kPa.The nozzle has a throat diameter of d = 25 mm. Gasconstant for air is R = 286.9 J/[kg K] and its specificheat ratio is k = 1.40. (Figure 1).Part ADetermine the mass flow into the pipe.Express your answer using three significant figures.FigureΠ ΑΣΦvecm = 0.07291 of 1SubmitPrevious Answers Request Answer?kg/s× Incorrect; Try Again; 5 attempts remainingReview your calculations and make sure you round to 3 significant figures in the last step.Provide Feedback

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Answered: Air at a temperature of 25° C and…

Solid Waste Engineering

3rd Edition

ISBN:9781305635203

Author:Worrell, William A.

Publisher:Worrell, William A.

Chapter5: Separation Processes

Section: Chapter Questions

Problem 5.22P

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Similar questions

For Problems 11.11, 11.12, and 11.13, calculate the U-factors.
Calculate the thermal resistance due to convection for the following situations: a. warm water with h = 200 W/m2 K b. warm air with h = 10 W/m2 K c. warm moving air (windy situation) h = 30 W/m2 K
Suppose a wet mixture of old bread, leaves, and soil is placed in a pile 1 m tall, and a long thermometer is struck in the middle of the pile. Every other day. the pile is aerated by throwing the mixture into a new pile. Draw a graph showing the temperature in the pile during the first two weeks and explain why these temperature changes occurs.
Obtain the values of vapor pressures of alcohol, water, and glycerin at a room temperature of 20 C.
An elevator has a rated capacity of 2200 lb. It can transport people at the rated capacity between the first and the fifth floors, with a vertical distance of 15 ft between each floor, in 7 s. Estimate the power requirement for such an elevator.
For the fin equation described in Problem 6.25, if the units of T, h, P, A, and x are expressed in degree Rankine (R), Btu/hr ft2R, ft, ft2, and ft, respectively, what is the appropriate unit for thermal conductivity k if the fin equation is to be homogeneous in units? Show all steps of your work.
You serve as the president of XYZ corporation, which is an energy intensive manufacturing operation. You have four boilers to produce steam and electricity for your operations. One is a semi-suspension fired boiler with a capacity of 100 tons of coal per hour. The boiler can also burn supplemental fuel such as coconut or macadamia nut shells. The other three boilers arc peaking units and burn fuel oil. The City of Podunk has approached you about the possibility of burning solid waste as a supplemental fuel. As the president of the XYZ Corporation, you need to develop answers to many political, social, and technical questions before you make a commitment to the city. a. What specific questions would you ask your own power plant engineer about the possibility of accepting Podunk’s MSW? b. What specific additional data would you need from the city before you discuss this further?

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