Ozone Study guides, Revision notes & Summaries

ENVS 2270 EXAM REVIEW QUESTIONS & ANSWERS 2023/2024 weather - ANSWER-describes what's happening now. ex: reporting a current temp or snow on the ground. climate - ANSWER-long term averages of weather. ex: "the temp today is way below avg for this time of year" atmosphere - ANSWER-the envelope of gases that surround the earth. extends from surface of the earth to appx 145 km above surface. troposphere - ANSWER-layer 1 - the layer we live in. (clouds, weather, mountains) strato...

The recovery process on an R-12 or R-134a A/C System should continue until a stable vacuum is held by the system for: - ANSWER-2 minutes A recycled refrigerant container has been checked and found to be above the given pressure limit for the ambient temperature Technician A says that the refrigerant container should be placed in a cooler storage area before use Technician B says that the vapor in the container should be slowly vented into a refrigerant handling unit who's right - ANSWER...

Sterile Processing - Final Exam, IAHCSMM CENTRAL SUPPLY STUDY GUIDE, Sterile Processing Study Material for Certification Exam Why is it important to evenly distribute large instruments in a set? A. The set is difficult to carry if the weight is unevenly distributed B. Extra condensation will make the set more difficult to dry C. It is easier for the end user to sort the instrument D. The overall weight of the set is affected B Which of the following BEST describes the overall role of the CS...

EPA 608 Exam Practice Questions 1-100EPA 608 Exam Practice Questions 1-100 Ozone depletion is caused by _______ in HFC refrigerants. - Answer chlorine CFCs and HCFCs ________ making them capable capable of reaching the stratospheric ozone layer. - Answer do not dissolve in water or easily break down in the atmosphere According to the Rolanda-Molina theory, ________ are destroyed by each chlorine atom in the stratosphere. - Answer 100,000 ozone molecules The stratospheric ozone layer prote...

ODP test Questions and Answers 2023 Chlorofluorocarbon (CFC) refrigerants consist of: Chlorine, Fluorine, Carbon What causes a CFC molecule to break down once it reaches the upper atmosphere? Ultraviolet light The Ozone layer: Reduces ultraviolet radiation. Hydrochlorofluorocarbon (HCFC) refrigerants consists of: Hydrogen, Chlorine, Fluorine, Carbon. Which of the following refrigerants causes the least amount of damage to the ozone layer? R-134a Are there...

Primavera Biology B Unit 5: Ecology Questions and Answers 100% Pass CHECKPOINT 22 Which describes symbiosis? Two organisms belonging to different species live closely together and have specific interactions. What is the most specific ecological level? an organism A tick feeding off the blood of a dog is an example of which type of relationship? parasitism In which of the following situations would primary succession occur? on an island just formed by a volcano Which of the following descr...

OSHA 30 Final Exam Questions and Answers Rated A+ 3 times when you need Hazard Communication Training o Annually o New Hire o Introduce New Chemical How many cycles of CPR do you do before checking 5 First Aid steps for someone who is bleeding on the job site: o Survey o Recognize o Elevate o Pressure o Treat for shock What is used to address what needs to be done on a jobsite Checklist Who would be treated first to last o Head Injury Conscious o Impaled in Leg o P...

Mark Scheme (Results) Summer 2023 Pearson Edexcel GCE In Chemistry (9CH0) Paper 02: Advanced Organic and Physical Chemistry Edexcel and BTEC Qualifications Edexcel and BTEC qualifications come from Pearson, the world’s leading learning company. We provide a wide range of qualifications including academic, vocational, occupational and specific programmes for employers. For further information visit our qualifications websites at or for our BTEC qualifications. Alternatively, you c...

Refrigeration technicians who violate the Clean Air Act can: - - Correct answer-Lose their EPA certification, be fined, be required to appear in Federal court. After 1995, any supplies of CFC refrigerants to service existing units in the USA can only come from: - - Correct answer-recovery and recycling. Refrigerant that is recovered can be returned to: - - Correct answer-the same system or other systems owned by the same person without restriction. Refrigerant can not be called "reclaimed...