Thermal conductivity Study guides, Class notes & Summaries

Tooling U Metal Cutting Exam with Complete Solutions Bandsaw - Answer-A machine with a long, continuous cutting blade with serrated teeth that is looped around two or more wheels. The wheels continuously spin the blade during operation. Brass - Answer-An alloy of copper and zinc. Brass offers a balance of electrical and thermal conductivity and strength. Most EDM wire is made of brass. Capacitor - Answer-A device that stores an electric charge. EDMs require capacitors to generate the e...

Some diamond simulants display "see-through" because, compared to diamond, they A. display less fire. B. have lower hardness. C. can't be polished as well. D. have much larger critical angles. - Answer-have much larger critical angles. Which of the following is a natural gem? A. YAG B. GGG C. Zircon D. Strontium titanate - Answer-Zircon Diamond imitations called "paste" are actually A. glass. B. zircon.C. synthetic spinel. D. rock crystal quartz. - Answer-glass. Th...

Three Types of Explosions - ANSWER Mechanical Chemical Nuclear High Explosive - ANSWER Explosive which normally requires a blasting cap for initiation and once initiated produces a supersonic detonation with a shattering or brisant effect Detonate without confinement, doesn't need container Low Explosive - ANSWER Explosive, which when unconfined, responds to initiation by deflagration or burning and produces a pushing effect Transitions from deflagration to detonation when confine...

RDAEF2 Questions and Answers Already Passed Which of the following amalgam types is the most widely used in a modern dental practice and the same type that we will be using in the EF course? Admix Select all of the metals that are found in a "dental amalgam". silver, tin ,mercury , copper Select all the factors which indicate that an amalgam has been "over triturated (mixed)" Sticks to inside of capsule Poor strength in final restoration Resists condensing Very shiny Of t...

IFSTA Chapter 4 - Fire Dynamics TestWhat is the cause of most fire deaths? Select one: a. Exposure to extreme heat and/or contact with flames and hot surfaces b. Injuries caused by falling materials or structural collapse c. Exposure to toxic gases found in smoke and/or lack of oxygen d. Accidental injuries sustained during escape and/or evacuation procedures - correct answer c. Exposure to toxic gases found in smoke and/or lack of oxygen In most compartment fires, the energy release in ...

IICRC WRT Exam Questions and Verified Answers| 100% Correct| Grade A (Latest Update) 2023/ 2024 Q: When is a drying job done? Answer: A moisture meeter indicates we have met our dry goal Q: The moisture sensor can be used to verify our drying goal has been met (True or False) Answer: False Q: Moisture sensors and IR cameras are effective tools for: Answer: quickly locating moisture in carpet and pad and establishing a wet perimeter. Q: What does a thermo...

Three Types of Explosions - ANSWER-Mechanical Chemical Nuclear High Explosive - ANSWER-Explosive which normally requires a blasting cap for initiation and once initiated produces a supersonic detonation with a shattering or brisant effect Detonate without confinement, doesn't need container Low Explosive - ANSWER-Explosive, which when unconfined, responds to initiation by deflagration or burning and produces a pushing effect Transitions from deflagration to detonation when confine...

CWB Welding Inspector Level III Study Guide 2024/2025 With Complete Solutions. Which of the following metals has the highest thermal conductivity? (a) carbon steel (b) stainless steel (c) aluminum - Correct Answer-(c) The Ellingham diagram (a) is a plot of thermal conductivity against temperature, (b) shows the free energy of oxide formation against temperature. (c) shows the rate of oxidation of metals against temperature. - Correct Answer-(b) True or False? A metal with a high negati...

ENTC 206- Ceramics and Semiconductors Ceramics - correct answer compounds formed between metallic and nonmetallic elements Ceramics (characteristics) - correct answer crystalline in nature hardest materials inorganic nonmetallic made by sintering lack of plastic deformation- no slip low tensile strength high compression strength DENSITY What sets Ceramics apart? - correct answer extreme brittleness extreme hardness high temperature resistance low coefficient of thermal expansio...

CWB Welding Inspector Level III Study Guide with Complete SolutionsCWB Welding Inspector Level III Study Guide with Complete SolutionsCWB Welding Inspector Level III Study Guide with Complete SolutionsCWB Welding Inspector Level III Study Guide with Complete SolutionsWhich of the following metals has the highest thermal conductivity? (a) carbon steel (b) stainless steel (c) aluminum - ANSWER-(c) The Ellingham diagram (a) is a plot of thermal conductivity against temperature, (b) shows th...