Study guides, Class notes & Summaries

Removing refrigerant in any condition from a system and storing it in an external container without necessarily testing or processing it in any way defines A) Recycling B) Recovering C) Reclaiming D) Restoring - B) Recovering One should NEVER heat a refrigerant storage or recovery tank with an open flame because: A) it can result in venting refrigerant to the atmosphere B) the tank may explode, causing serious injury to people nearby C) refrigerant in the tank may decompose, f...

Practice Exam: Universal R-410A Test 2023/2024. Polyolester (POE) oils stored in plastic containers will: -Separate -Become more alkaline -Become acidic -Absorb moisture through the plastic - ANSWER Absorb moisture through the plastic R-407C has: -A foul odor -To be charged in the vapor phase -The ability to fractionate -No temperature glide - ANSWER The ability to fractionate A condensing unit designed for use with R-22: -Must be replaced with a model designed for use with...

NATE Core Study Guide Questions 2023/2024 Class A - ANSWER Ordinary Extinguisher Class B - ANSWER Liquid Extinguisher Class C - ANSWER Electrical Extinguisher Asphyxiation causes what? - ANSWER Nausea, Dizziness, Heart Irregularities, and Unconciousness Ladder must be at what dimensions in relation to a house? - ANSWER 4 ft for every 1 ft, 3 ft above the top of the roof. What different amounts does Copper Tubing come in? - ANSWER 25, 50, 100 Soft drawn copper tubing means what...

R-410A safety & Training Pre-Test 2023/2024.Recovery cylinders used with R-410A must have a DOT rating of: - ANSWER either "DOT 4BA 400" or "DOT 4BW 400" A system using R-410A refrigerant has bubbles in the sight glass. Technician A says that the system must be low on refrigerant. Technician B says that the bubbles could be caused by the blended refrigerant flashing in the increased volume of the sight glass. Who is correct? - ANSWER Technician B only When charging a R-410A system that...

Skull Practice Questions 2023/2024. Frontal Bone - ANSWER Identify the bone. Parietal Bone - ANSWER Identify the bone. Supraorbital Foramen - ANSWER Identify this structure. Sphenoid Bone - ANSWER Identify this bone. Temporal Bone - ANSWER Identify this bone. Ethmoid Bone - ANSWER Identify this bone. Lacrimal Bone - ANSWER Identify this bone (green). Zygomatic Bone - ANSWER Identify this bone. Infraorbital Foramen - ANSWER Identify this structure. Maxilla - ANSWER Ide...

6.6 - Nuclear Energy Questions 2023/ 2024. Radioactivity - ANSWER The spontaneous emission of radiation by an unstable atomic nucleus such as uranium-235. Uranium-235 - ANSWER A radioactive isotope used to fuel most nuclear fission reactors. Fission - ANSWER The splitting of an atomic nucleus with neutrons in order to release energy. The energy given off can be used to heat water into steam, to turn a turbine and power an electric generator. Reactor core - ANSWER the thick steel vessel...

6-1 & 6-2: Renewable & Non-renewables, Global Energy Consumption Exam 2023/able energy sources - ANSWER energy sources that can be replenished naturally, at or near the rate of consumption, and reused nonrenewable energy sources - ANSWER energy sources that exist in fixed amounts and cannot be replenished or regenerated in a timescale useable by humans potentially renewable energy sources - ANSWER biomass like wood, charcoal, animal waste, and biofuels like ethanol that can be potentially ...

ESB V2 Certification Study Guide 2023/2024.Quality - ANSWER _______ is measured by how well the product or service successfully serves its users' purpose. E-commerce sales and door-to-door sales - ANSWER What are two examples of direct distribution channels? Middlemen - ANSWER Indirect distribution channels use _______ to sell their products to the end customers. Idea - ANSWER The first stage of the product/market fit is the ________ stage. prototype - ANSWER The second stage of the...

Unit 9 - Basic Electric Motors Advanced Quizes 2023/2024. What is magnetism - ANSWER the attraction of an object to iron torque is ...... - ANSWER strength that a motor produces while turning a magnetic field ....... - ANSWER area around an electric motor or wire where a magnetic force operates permanent magnet - ANSWER magnetized material that can hold its magnetic strength for a reasonable length of time how is an electromagnet produced - ANSWER produced through electricity - whe...

R-410a Refrigerant Study Guide Test 2023/2024.R-410A is a Refrigerant, also known as....? - ANSWER SUVA - 410A....... AZ-20......Puron The cylinder color code for R-410A is...? - ANSWER Rose HCFC-22 is scheduled for total phase out, by the year? - ANSWER 2020 Suction and Discharge pressures for R-410A are how much higher than R-22 Systems? - ANSWER 40% to 70% What is Temperature Glide? - ANSWER A range of condensing and evaporating temperatures for one pressure. When handling Refr...