Manufacturing Engineering & Technology
7th Edition
ISBN: 9780133128741
Author: Serope Kalpakjian, Steven Schmid
Publisher: Prentice Hall
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Textbook Question
Chapter 28, Problem 11RQ
Which is cleaner, a Class-10 or a Class-1 clean room?
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Multiple-Choice Questions
In 4D printing, what is the fourth dimension?
A. Space
B. Movement
C. Time
D. Material
What inspired the team at the MIT self-assembly lab to conceive the Autonomous
Mass Assembly concept?
A. The natural growth of viruses
B. Japanese architecture
C.
Islamic patterns in traditional ornaments
D. The movie "Avatar"
Which of the following are possible applications of 4D printing? Select all correct
answers.
A. Smart water pipes
B. Self-assembled structures
C. Ready-made electronic devices
D. Superior sound systems
What activating energies are used in the 4D products presented in the lesson?
A. Heat
B. Water
C. Microwave
D. Sound-waves
Chapter 28 Solutions
Manufacturing Engineering & Technology
Ch. 28 - Define the terms wafer, chip, die, device,...Ch. 28 - Why is silicon the semiconductor most used in...Ch. 28 - What do the abbreviations BJT, MOSFET, VLSI,...Ch. 28 - Prob. 4RQCh. 28 - Prob. 5RQCh. 28 - What are the purposes of prebaking and...Ch. 28 - Define selectivity and isotropy, and their...Ch. 28 - Prob. 8RQCh. 28 - Prob. 9RQCh. 28 - What are the levels of interconnection?
Ch. 28 - Which is cleaner, a Class-10 or a Class-1 clean...Ch. 28 - Prob. 12RQCh. 28 - What is a via? Why is it important?Ch. 28 - Describe how electrical connections are...Ch. 28 - Prob. 15RQCh. 28 - Prob. 16RQCh. 28 - Comment on your observations regarding the...Ch. 28 - Describe how n-type and p-type dopants differ.Ch. 28 - Prob. 19QLPCh. 28 - How is epitaxy different from other techniques...Ch. 28 - Note that, in a horizontal epitaxial reactor...Ch. 28 - The table that follows describes three...Ch. 28 - Prob. 23QLPCh. 28 - What is accelerated life testing? Why is it...Ch. 28 - Explain the difference between a die, a chip, anda...Ch. 28 - A common problem in ion implantation is...Ch. 28 - Examine the hole profiles shown in Fig. P28.27...Ch. 28 - Referring to Fig. 28.24, sketch the shape of the...Ch. 28 - Prob. 29QTPCh. 28 - Prob. 30QTPCh. 28 - Prob. 31QTPCh. 28 - A certain design rule calls for metal lines to be...Ch. 28 - Prob. 33QTPCh. 28 - If a square mask of side length 100 m is placed on...Ch. 28 - Obtain an expression for the width of the trench...Ch. 28 - Prob. 36SDPCh. 28 - Inspect various electronic and computer equipment,...Ch. 28 - Describe your understanding of the important...Ch. 28 - Make a survey of the necessity for clean rooms in...Ch. 28 - Prob. 40SDPCh. 28 - Prob. 41SDPCh. 28 - Estimate the time required to etch a spur gear...Ch. 28 - Prob. 43SDPCh. 28 - Review the specific devices, shown in Fig. V.2....
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- CNC vs additive manufactoringarrow_forwardhow can i solve this problem using professor's suggestionarrow_forwardWhich of the following are achieved by post printing processing? Select all correct answers. A. Smoother feel B. Higher durability C. Antimicrobial resistance D. Color What is the reason most 3D printed products do not have a smooth finish after coming out of the printer's tray? A. Printing file size and model resolution B. The layering fabrication method C. The material attributes D. The interaction with support materials Which of the following are post processes that can be applied on 3D printed objects? A. Sand paper polishing B. Lacquering C. Metal coating D. Thermal treatment What does Distress and Patina post processing aim to achieve? A. Product smoothness B. Product sturdiness C. Glossy finishing D. Antique/vintage look and feelarrow_forward
- Don't copy and pastearrow_forwardWhat is a Computer-aided design (CAD)?arrow_forwardHow and what is it use for specifically, what are the features of its technologies and what area/specific thing does it do or use for? -Hybrid Tractor/Engine -Omnidrive -Egg Machine -Combustion Engines for gaseous fuels -Combustion Engines for hydrogen -Plug- and play collaborative robotsarrow_forward
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