Dot product Study guides, Class notes & Summaries

566 Final Exam Study Guide Week 5 Prevention of osteoporosis with hormone replacement therapy (p. 433) Hormone therapy (HT) reduces postmenopausal bone loss & thereby decreases the risk for osteoporosis & related fractures. Unfortunately, when HT is stopped, bone mass rapidly decreases by approximately 12%. Hence to maintain bone health, HT must continue lifelong. As a result, the risk for harm is increased. Accordingly, alternative treatments are preferred. Effective alternatives to HT include...

1. Substances or materials in quantities or forms that may pose an unreasonable risk to health safety, or property when transported, stored, or used in commerce is the definition of a: -Hazard Class -Hazardous Chemical -Hazardous Material -Hazardous Substance: Hazardous Material 2. Federal OSHA (#'s crossed out) and several states have required that local establishments keep on file a Material Safety Data Sheet when: -Wood products are used -Personnel have not received specialized hazm...

Second Continental Congress - ANSWER-A convention of delegates from the Thirteen Colonies that started meeting in the spring of 1775 in Philadelphia, Pennsylvania. Managed the Colonial war effort and moved incrementally towards independence, adopting the United States Declaration of Independence on July 4, 1776. Townshend Acts (1767) - ANSWER-A series of British acts passed beginning in 1767 and relating to the British American colonies in North America. Thirteen Colonies - ANSWER-A group ...

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...

HazMat Awareness and Operations Study Guide|Complete Solution Guide, Q&A, 100% Correct Hazardous Materials Substances or materials in quantities or forms that may pose an unreasonable risk to health, safety, or property when transported, stored, or used in commerce Time, Distance, Shielding When dealing with a radiation incident involving a leak or spill, what exposure guidelines should the hazmat first responder use to minimize radioactive contamination? Emergency Response Guidebook ...

EPA SECTION 608 CORE (2021-2022 revision) A disposable cylinder should be reduced to what pressure before scrapping? a. 0 psig b. 20 psig c. 50 psig d. 80 psig A major system repair is being performed on a R-22 appliance. What CANNOT be done to recharge the appliance? a. Add R-22 after the repair is complete. b. Retrofit the unit to R-407C. c. Use recovered or recycled R-22 from the same owner. d. Top off the unit with R-410a. A refillable cylinder must not be filled above what ...

Firefighter HAZMAT OPS Practice Test 1-Questions and Answers, 100% Correct Firefighter HAZMAT OPS Practice Test 1- Questions and Answers, 100% Correct The piping for the ____________ contained outside of the tank, usually on the ends, with a manhole on top of the tank. a) IM 101 b) IM 102 c) IM 105 d) IM 107 b) IM 102 The statement, "Keep Away from Waterways," is found on a pesticide label. This statement is referred to as a/an: a) Signal Word b) Hazard Statement c) Pest Contro...

TCFP & GFD HAZMAT AWARENESS/OPS TEST Questions and Answers 100% Verified Substances or materials in quantities or forms that may pose an unreasonable risk to health, safety, or property when transported, stored, or used in commerce is a definition for a: hazardous material When dealing with a radiological incident involving a leak or spill, what exposure guidelines should the hazmat first responder use to minimize radioactive contamination? Time, distance, shielding A reference book...

Vector - correct answer A quantity that involves both magnitude and direction Scalar - correct answer A quantity that does not involve direction; Only has magnitude Magnitude of a Vector - correct answer |A| or ||A||=√((Ax)^2+(Ay)^2) Angle or Direction of a vector - correct answer θ=tan⁻¹(Ay/Ax) Dot product - correct answer The multiplication of two vectors which results in a scalar. A·B=|A||B|cosθ=AxBx+AyBy Cross product - correct answer The multiplication of two vectors ...

When dealing with a radiological incident involving a leak or spill, what exposure guidelines should the hazmat first responder use to minimize radioactive contamination? - Time, distance, half-life - Ionizing radiation, non-iodizing radiation, half-life - Time, distance, shielding - Alpha particles, beta particles, gamma rays - correct answer Time, distance, shielding The steps that are taken to preserve the health and safety of emergency responders and the public during an incident ...