EBK MANUFACTURING ENGINEERING & TECHNOL
7th Edition
ISBN: 8220100793431
Author: KALPAKJIAN
Publisher: PEARSON
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Chapter 16, Problem 15RQ
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Thermodynamics: Mass and Energy Analysis Of Control Volumes
A spring-loaded piston-cylinder device contains 1.5 kg of carbon dioxide. This system is heated from 200kPa and 25◦C to 1200 kPa and 300◦C. Determine the total heat transfer to and work produced by this system.
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Chapter 16 Solutions
EBK MANUFACTURING ENGINEERING & TECHNOL
Ch. 16 - How does sheet-metal forming differ from rolling,...Ch. 16 - What causes burrs? How can they be reduced or...Ch. 16 - Prob. 3RQCh. 16 - Describe the difference between compound,...Ch. 16 - Describe the characteristics of sheet metals that...Ch. 16 - Describe the features of forming-limit diagrams...Ch. 16 - List the properties of materials that influence...Ch. 16 - Give one specific application for each of the...Ch. 16 - Why do tubes buckle when bent? What is the effect...Ch. 16 - Define normal anisotropy, and explain why it is...
Ch. 16 - Describe earing and why it occurs.Ch. 16 - What are the advantages of rubber forming? Which...Ch. 16 - Explain the difference between deep drawing and...Ch. 16 - How is roll forming fundamentally different from...Ch. 16 - What is nesting? What is its significance?Ch. 16 - Describe the differences between compound,...Ch. 16 - What is microforming?Ch. 16 - Explain the advantages of superplastic forming.Ch. 16 - What is hot stamping? For what materials is it...Ch. 16 - What is springback? What is negative springback?Ch. 16 - Explain the differences that you have observed...Ch. 16 - Take any three topics from Chapter 2, and, with...Ch. 16 - Do the same as for Problem 16.22, but for Chapter...Ch. 16 - Identify the material and process variables that...Ch. 16 - Explain why springback in bending depends on yield...Ch. 16 - Explain why cupping tests may not predict well the...Ch. 16 - Identify the factors that influence the...Ch. 16 - Why are the beads in Fig. 16.36b placed in those...Ch. 16 - A general rule for dimensional relationships for...Ch. 16 - Section 16.2 stated that the punch stripping force...Ch. 16 - Is it possible to have ironing take place in an...Ch. 16 - Note the roughness of the periphery of the flanged...Ch. 16 - What recommendations would you make in order to...Ch. 16 - It has been stated that the quality of the sheared...Ch. 16 - Give several specific examples from this chapter...Ch. 16 - As you can see, some of the operations described...Ch. 16 - Through changes in clamping or die design, it is...Ch. 16 - How would you produce the part shown in Fig....Ch. 16 - It has been stated that the thicker the sheet...Ch. 16 - Prob. 41QTPCh. 16 - Calculate the value of R in Problem 16.41. Will...Ch. 16 - Estimate the limiting drawing ratio for the...Ch. 16 - Using Eq. (16.15) and the K value for TNT, plot...Ch. 16 - Section 16.5 states that the k values in bend...Ch. 16 - For explosive forming, calculate the peak pressure...Ch. 16 - Measure the respective areas of the solid outlines...Ch. 16 - Plot Eq. (16.6) in terms of the elastic modulus,...Ch. 16 - What is the minimum bend radius for a 1.0-mm-thick...Ch. 16 - Survey the technical literature and explain the...Ch. 16 - Using the data in Table 16.3 and referring to Eq....Ch. 16 - What is the force required to punch a square hole...Ch. 16 - In Case Study 16.2, it was stated that the reason...Ch. 16 - A cup is being drawn from a sheet metal that has a...Ch. 16 - Prob. 55QTPCh. 16 - Figure P16.57 shows a parabolic profile that will...Ch. 16 - Prob. 59SDPCh. 16 - Consider several shapes to be blanked from a large...Ch. 16 - Prob. 61SDPCh. 16 - Many axisymmetric missile bodies are made by...Ch. 16 - Metal cans are either two-piece (in which the...Ch. 16 - The design shown in Fig. P16.65 is proposed for a...Ch. 16 - Suggest consumer-product designs that could...Ch. 16 - How would you produce the part shown in Fig. 16.44...Ch. 16 - Using a ball-peen hammer, strike the surface of...Ch. 16 - Inspect a common paper punch and observe the shape...Ch. 16 - Obtain an aluminum beverage can and slit it in...Ch. 16 - Prob. 71SDPCh. 16 - Prob. 73SDPCh. 16 - On the basis of experiments, it has been suggested...Ch. 16 - Design a box that will contain a 4-in. 6-in. ...Ch. 16 - Repeat Problem 16.77, but design the box from a...
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- Thermodynamics: Mass and Energy Analysis Of Control Volumes 1.5-kg of water that is initially at 90◦C with a quality of 5 percent occupies a spring-loaded piston-cylinder device. This device is now heated until the pressure rises to 900 kPa and the temperature is 280◦C. Determinethe total work produced during this process, in kJ.arrow_forwardThermodynamics: Mass and Energy Analysis Of Control Volumes Stainless steel ball bearings (ρ = 8085 kg/m3 and cp = 0.480 kJ/(kg◦C)) having a diameter of 1.5 cm areto be quenched in water at a rate of 900 per minute. The balls leave the oven at a uniform temperature of1000◦C and are exposed to air at 25◦C for a while before they are dropped into the water. If the temperatureof the balls drops to 900◦C prior to quenching, determine the rate of heat transfer from the balls to the air.arrow_forwardThermodynamics: Mass and Energy Analysis Of Control Volumes A 12-ft3 tank contains oxygen at 15 psia and 80◦F. A paddle wheel within the tank is rotated until thepressure inside rises to 20 psia. During the process 25 Btu of heat is lost to the surroundings. Determine thepaddle wheel work done. Neglect the energy stored in the paddle wheel.arrow_forward
- Thermodynamics: Mass and Energy Analysis Of Control Volumes A frictionless piston-cylinder device contains 4.5 kg of nitrogen at 110 kPa and 200 K. Nitrogen is nowcompressed slowly according to the relation PV1.5 = constant until it reaches a final temperature of 360 K.Calculate the work input during the process, in kJ.arrow_forwardThermodynamics: Mass and Energy Analysis Of Control Volumes An insulated piston-cylinder device contains 4 L of saturated liquid water at a constant pressure of 200 kPa.Water is stirred by a paddle wheel while a current of 8 A flows for 50 min through a resistor placed in thewater. If one-half of the liquid is evaporated during this constant-pressure process and the paddle-wheelwork amounts to 300 kJ, determine the voltage of the source. Also, show the process on a P–v diagram withrespect to the saturation lines.arrow_forwardThermodynamics: Mass and Energy Analysis Of Control Volumes The state of liquid water is changed from 55 psia and 45◦F to 2000 psia and 120◦F. Determine the change inthe internal energy and enthalpy of water on the basis of the (a) compressed liquid tables, (b) incompressiblesubstance approximation and property tables, and (c) specific-heat model.arrow_forward
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