Manufacturing Engineering And Technology
7th Edition
ISBN: 9789810694067
Author: Stephen R. Schmid (author) Serope Kalpakjian (author)
Publisher: Pearson Education Orphans
expand_more
expand_more
format_list_bulleted
Videos
Question
Chapter 30, Problem 64SDP
To determine
If you find a flaw in a welded joint during inspection, how would you go about determining whether or not the flaw is significant?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
6) In the given Fig. 2, the butt-welded joint is
subjected to uniaxial tensile load of 10
kN, with throat thickness of 5 mm and length of
the weld as 100 mm. So calculate the tensile
stress generated for each weld plates? N.B. The
butt joint efficiency is 90%
Fig. 2
O 22.22 MPa
O11.11 MPa
2.22 MPa
O1.11 MPa
A welding operation is time-studied during which an operator was pace-rated as 120%. The operator took, on an average, 8 minutes for producing the weld-joint. If a total of 10% allowances are allowed for this operation. What is the expected standard production rate of the weld-joint in units per 8 hour day?
10)The hardest region amongst following in the 1
fusion welded joint of medium carbon steel
is (Assuming the base metal was in normalized and
tempered in as-received condition)
O Coarse grain heat affected zone
Fine grain heat affected zone
Intercritical heat affected zone
Base metal
Chapter 30 Solutions
Manufacturing Engineering And Technology
Ch. 30 - Describe fusion as it relates to welding...Ch. 30 - Explain the features of neutralizing, reducing,...Ch. 30 - What is stick welding?Ch. 30 - Explain the basic principles of arc-welding...Ch. 30 - Why is shielded metal-arc welding a commonly...Ch. 30 - What keeps the weld bead on a steel surface...Ch. 30 - Describe the functions and characteristics of...Ch. 30 - What are the similarities and differences between...Ch. 30 - What properties are useful for a shielding gas?Ch. 30 - What are the advantages to thermit welding?
Ch. 30 - Explain where the energy is obtained in...Ch. 30 - Explain how cutting takes place when an...Ch. 30 - What is the purpose of flux? Why is it not needed...Ch. 30 - What is meant by weld quality? Discuss the...Ch. 30 - How is weldability defined?Ch. 30 - Why are welding electrodes generally coated?Ch. 30 - Describe the common types of discontinuities...Ch. 30 - Prob. 18RQCh. 30 - Explain why hydrogen welding can be used to...Ch. 30 - Prob. 20RQCh. 30 - Prob. 21QLPCh. 30 - It has been noted that heat transfer in gas-metal...Ch. 30 - Explain why some joints may have to be...Ch. 30 - Describe the role of filler metals in welding.Ch. 30 - List the processes that can be performed with...Ch. 30 - What is the effect of the thermal conductivity of...Ch. 30 - Describe the differences between oxyfuel-gas...Ch. 30 - Could you use oxyfuel-gas cutting for a stack of...Ch. 30 - What are the advantages of electron-beam and...Ch. 30 - Describe the methods by which discontinuities...Ch. 30 - Explain the significance of the stiffness of the...Ch. 30 - Prob. 32QLPCh. 30 - Which of the processes described in this chapter...Ch. 30 - Prob. 34QLPCh. 30 - Prob. 35QLPCh. 30 - Comment on the factors involved in electrode...Ch. 30 - Prob. 38QLPCh. 30 - Prob. 39QLPCh. 30 - Prob. 40QLPCh. 30 - Prob. 41QLPCh. 30 - What is weld spatter? What are its sources? How...Ch. 30 - Describe your observations concerning Fig. 30.20.Ch. 30 - Prob. 44QLPCh. 30 - Plot the hardness in Fig. 30.20d as a function of...Ch. 30 - A welding operation will take place on carbon...Ch. 30 - In Fig. 30.26b, assume that most of the top...Ch. 30 - A welding operation takes place on an...Ch. 30 - An arc welding operation is taking place on carbon...Ch. 30 - Comment on workpiece size and shape limitations...Ch. 30 - Arc blow is a phenomenon where the magnetic...Ch. 30 - Review the types of welded joints shown in Fig....Ch. 30 - Comment on the design guidelines given in...Ch. 30 - Prob. 55SDPCh. 30 - Prob. 56SDPCh. 30 - Make a list of welding processes that are suitable...Ch. 30 - Prob. 58SDPCh. 30 - Prob. 59SDPCh. 30 - Review the poor and good joint designs shown...Ch. 30 - In building large ships, there is a need to weld...Ch. 30 - Prob. 62SDPCh. 30 - Comment on whether there are common factors...Ch. 30 - Prob. 64SDPCh. 30 - Lattice booms for cranes are constructed from...Ch. 30 - A common practice in repairing expensive broken...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- 7) For double side parallel fillet weld subjected to an external force 100 kN. The weld has throat thickness of 5 mm and the measured shear stress is found to be 100 MPa. From the above given information find out the length of the welded joint desigN? O 100 mm 50 mm 25 mm 10 mmarrow_forwardif a weldment is heated to correct distortion from welding, the maximum localized heat shall not exceed what temperature?arrow_forwardsome of the factors that influence the cost of making a weldmentarrow_forward
- Show by neat sketches the various ways in which a riveted joint may fail.arrow_forwardQUESTION 21 What is the safety factor for this weld? F678 Ibf, b=1 in; d=2.3 in; he1/4 in. The weld metal is E7018, and the member is 7 in long F b QUESTION 22 A hydraulic metal stamping machine must produce 12,000 parts per 8 hour shift The force versus position curve for a typical part production is provided below. How much power mus: be supplied to the machine if it is known that only 73% of the supplied power goes directly into stamping parts? (The rest is in retracting the tooling and wasted as heat.) Answer in watts Stamping Operation Actuator Force Vs Position Data 70 60 50 40 30 20 10 10 20 30 40 Actuator Extension (mm) Actautor Force (kN)arrow_forwardWhat is the principal benefit of a joint action with a mechanical advantage less than 1.0? What is the principal benefit of a joint action with a mechanical advantage greater than 1.0?arrow_forward
- Riveted and Welded Jointsarrow_forwardQUESTION 1 In an arc welding operation, a groove weld has a cross-sectional area=0.055 in² and is 24 in long. (Round your final answers to 1 decimal place) (a) What quantity of heat (in Btu) is required to accomplish the weld, if the metal to be welded is aluminum? Btu (b) How much heat must be generated at the welding source, if the heat transfer factor = 90% and the melting factor = 60%? H= Btuarrow_forwardSketch 2 NDT symbols illustrating different methods that can be used to indicate multiple test requirments for the same section of weld.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Welding: Principles and Applications (MindTap Cou...Mechanical EngineeringISBN:9781305494695Author:Larry JeffusPublisher:Cengage Learning
Welding: Principles and Applications (MindTap Cou...
Mechanical Engineering
ISBN:9781305494695
Author:Larry Jeffus
Publisher:Cengage Learning
Differences between Temporary Joining and Permanent Joining.; Author: Academic Gain Tutorials;https://www.youtube.com/watch?v=PTr8QZhgXyg;License: Standard Youtube License