Thermal expansion Study guides, Class notes & Summaries

An instrument that measures potential differences between 2 points in an electrical circuit is called? A. potentiometer B. thermistor C. ohmeter D. voltmeter - ans-voltmeter This device uses a thermal sensing bulb at the outlet of the evaporator to sense temperature and control superheat A. automatic expansion valve B. thermostatic expansion valve C. low side float D. schraeder valve - ans-thermostatic expansion valve when installing a reversing valve on a heat pump, ho...

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...

A building separation joint in a multistory building generally correct answers Runs through all floors and the roof Building separation hints in a long rectilinear correct answers 250 ft on center The width of a building separation joint is generally correct answers 1 1/2 to 2in A seismic joint is generally similar to a building expansion joint but smaller in width correct answers False (Much wider than a building joint) Which of the following materials has the highest coefficient of...

What are the primary functions of enclosures?keep water out Prevent Air Leakage Control Light Control the Radiation of Heat Control the Conduction of Heat Control Sound What are the secondary functions of enclosures?Resist Wind Forces Control Water Vapor Accommodate Movement Thermal Expansion/Contraction Moisture Expansion/Contraction Structural Movements Resist Fire - sometimes a primary function, depending on context Address Installation Requirements for the Exterior Wall Allow ...

thermal physics the study of temperature, heat, and how they affect matter quantitative descriptions of thermal phenomena require careful definitions of the concepts of temperature, heat, and internal energy heat leads to changes in internal energy and thus to changes in temperature, which cause the expansion or contraction of matter temperature is commonly associated with how hot or cold an object feels when we touch it while our senses provide us with qualitative indications of tempe...

HVAC Metering Devices Exam Questions with Answers The piping between the condenser and the metering device is called? A Suction line B Discharge line C Expansion line D Liquid line - Answer-D Liquid line Which component is NOT a type of metering device? A Capillary tube B Bare tube C Automatic expansion valve D Thermostatic expansion valve - Answer-B Bare tube The diagram of an automatic expansion valve separates the atmospheric pressure and the system pressure. A True B Fals...

A boiling liquid expanding vapor explosion (BLEVE) is caused by: A. sublimation of a boiling liquid. B. application of a pressure stream. C. a heated liquid or gas expanding. D. inadequate internal vessel pressure. - ️️A heated liquid or gas expanding A chemical that burns or destroys living tissue is an example of A. toxicity. B. corrosivity. C. energy release. D. chronic exposure. - ️️Corrosivity A chronic exposure to a hazardous material is: A. lethal. B. long-term o...

ATI Adv. Med-surg FINAL EXAM 1. A nurse in a burn treatment center is caring for a client who is admitted with severe burns to both lower extremities and is pending an escharotomy. The client’s spouse asks the nurse what the procedure entails. Which of the following nursing statements is appropriate? a. “large incisions will be made in the eschar to improve circulation” b. “ I can call the doctor back here if you want me to” c. “a piece of skin will be removed and grafted ov...

Lubrication Systems (Jepp/Prep/Crane) Questions and Answers Already Passed If a reciprocating engine is consuming an excessive amount of oil without any visible leaks, what is the likely issue? Worn or damaged piston rings. What are the roles of lubricating oil in a reciprocating engine? It minimizes friction between moving components and helps dissipate heat. What are two key properties of engine oil used in aircraft? The oil needs to be light enough for easy circulation but suffi...

Fire Apparatus Driver Operator - Pumper Module 4 Question and answers already passed 2023/2024One gallon of water weighs? - correct answer 8.33 lbs Water freeze and boil temperatures? - correct answer Freezes: 32° F Boils: 212° F Water expansion ratio at 500° F. - correct answer 1,700 to 1 Law of Specific Heat - correct answer Ability of any substance to absorb heat. Water is the standard for measuring specific heat and is given a value of 1.0 Specific heat is measured in British...