Can someone please help me to solve ALL of the following questions correctly PLEASE and THANK YOU!!!!! 1. Hot hardness is important in cutting tools, becausea. transformations can occur at highly elevated temperatures.b. cemented carbides can decompose at elevated temperatures.c. of delamination of coatings.d. of decreased tool life and dimensional instability.e. of grain growth within the carbide tool.2. A type of welding that has relatively deep penetration isa. shielded metal arc welding (SMAW).b. gas tungsten-arc welding (GTAW).c. electron-beam welding (EBW).d. laser-beam welding (LBW).3. The heat effected zone or HAZ is important to the integrity of the weld, becausea. solidification has occurred in the HAZ.b. the high heat input can change the microstructure of the base material next to theweld.c. there is rapid cooling of the filler material.d. the molten filler metal can have inclusions.e. porosity can often develop in the HAZ.4. The integrity of a brazed joint depends heavily on capillary action anda. hot hardness.b. heat input.c. wettability.d. residual stresses.e. microstructure.5. Soldering differs from brazing in thata. soldering uses a flux and brazing does not.b. soldering uses a point source of heat and brazing does not.c. the substrate metal in brazing is melted and soldering it is not.d. brazing uses an interference fit and soldering does not.e. soldering uses lower temperatures than brazing. 6. Bolting bridges together is often preferred to welding, since bolting (think about whywelds are often painted)a. is cheaper for assembly of large structures.b. allows for members to be replaced.c. is capable of handling higher loads.d. minimizes crevice corrosion.7. Electroplating requiresa. an anode, a cathode, and an electrical circuit.b. a similar metal to the substrate.C.a flux.d. a smooth flat surface.е.cladding.8. A polymer that would be produced by condensation polymerization isa. ultra-high molecular weight polyethylene.b. polypropylene.c. polyethylene terephthalate.d. polyvinylchloride.e. polystyrene.9. A good indication that a polymer is completely amorphous is that ita. is transparent.b. is translucent, but not transparent.С.has relatively high density.d. is a thermoset.e. is brittle.10. Recyclable polymers typically are (research thermosets)a. made via addition polymerization.b. made via condensation polymerization.c. thermoplastics.d. thermosets.e. completely amorphous.

1. Hot hardness is important in cutting tools, because a. transformations can occur at highly elevated temperatures. b. cemented carbides can decompose at elevated temperatures. c. of delamination of coatings. d. of decreased tool life and dimensional instability. e. of grain growth within the carbide tool.

1. Hot hardness is important in cutting tools, because a. transformations can occur at highly elevated temperatures. b. cemented carbides can decompose at elevated temperatures. c. of delamination of coatings. d. of decreased tool life and dimensional instability. e. of grain growth within the carbide tool.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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