Thermal conductivity - Study guides, Class notes & Summaries

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...

PCD Spring 2024 Exam 1 Indications of RBC Caries lesions (small to moderate) Esthetics (tooth color) Conservative (outline, shallow, round) Replacements of composites (questionable) Advantages of RBC Esthetics Conservative Adhesion to tooth structure Low thermal conductivity Elimination of galvanic issues Alternative to amalgam?

Lab Practical - MMET 207 - Metallic Materials - Texas A&M University - TAMU - Dr. Amir Saeidi | Latest Version | 2024/2205 | Rated A+ What is the primary purpose of annealing metallic materials? Annealing is used to relieve internal stresses, improve ductility, and refine the grain structure of metals. What is the significance of the yield strength in metallic materials? Yield strength indicates the maximum stress a material can withstand without permanent deformation, crucial for...

What are physical agents? correct answers Energy and materials applied to patients to assist in rehabilitation may include heat, cold, water, pressure, sound, electromagnetic radiation, and electrical currents Categories of Physical Agents: correct answers 1. Thermal agents: - superficial heating agents (hot packs, paraffin) - deep heating agents (ultrasound, diathermy) - superficial cooling agents (ice pack) 2. Electromagnetic: - Electrical currents (TENS) - Electromagneti...

MMET 207 Exam 3 Questions and Answers | Latest Version | 2024/2025 | Graded A+ What is the purpose of strain gauges in experimental mechanics? Strain gauges are used to measure the amount of deformation or strain in an object when subjected to stress. How does a load cell function in measuring force? A load cell converts mechanical force into an electrical signal, allowing precise measurement of loads in various applications. What factors affect the thermal conductivity of mater...

Sensory science is a discipline in which several senses are evoked, measured, analyzed and interpreted to know more about our foods. Which of the following senses may be studied? 1. sight 2. hearing 3. touch 4. smell 5. all of the above - correct answer 5. All of the above Which of the following is a factor affecting flavor perception? 1. volatility of aroma compounds 2. sensitivity of the individual 3. non-volatile taste compounds 4. interactions between compounds while chewing 5. ...

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...

Building Construction Chapter 6 Questions with Answers 1. What happens when moisture trapped in concrete is heated and expands, causing parts of the concrete to break away? A) Cavitation B) Scaling C) Spalling D) Granulation - C) Spalling 2. The rate of combustion of wood is most directly related to which factor? A) Age B) Use of adhesives C) Volatility D) Surface area - D) Surface area 3. Which type of glass is most typically used in fire doors and windows? A) Pyrex B) Laminate...

CBE Final The heat conduction equation in a medium is given in the simplest form as: ∂^2T ∂^2T =0 ∂x^2 + ∂y^2 where the parameters have their usual meaning. Which of the following statements is incorrect - correct answer Thermal conductivity is negligible If force, length, and time are selected as the three fundamental dimensions, the units of viscosity in the SI system could be written as - correct answer kg/m*s The thermal conductivity of a substance may be defined as the ...

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...