Mechanical advantage Study guides, Class notes & Summaries
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OAR Mechanical Comprehension exam 2023 with 100% correct answers
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What is a lever? 
A simple machine that provides a mechanical advantage in carrying loads. Composed of a fulcrum (or pivot) and rigid rod (or beam). 
 
 
 
What is the formula for calculating the load or the effort of a lever? 
W1 x L1 = W2 x L2 (Weight of the load x distance of the load from the fulcrum = weight of the effort x distance from the fulcrum to the effort.) 
 
 
 
What is a first class lever? 
A lever where the fulcrum is located between the force and the load. ie. seesaw 
 
 
 
Wha...
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ARDMS SPI STUDY GUIDE QUESTIONS AND ANSWERS ALREADY PASSED
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ARDMS SPI STUDY GUIDE QUESTIONS AND ANSWERS ALREADY PASSED 
In soft tissue, if the frequency of a wave is increased the Propagation Speed (PS) will... Remain the Same because stiffness and density affect Propagation Speed. 
What is the audible range? 20-20,000Hz 
>20,000Hz=Ultrasound 
Frequency is measured in Hertz (Hz) is Cycles per Second 
Not affected by sonographer 
Increase Frequency; Decrease Depth 
A period is the length of time it takes for one complete wavelength to pass a fixed poin...
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Periop 101 Final Exam 2023 with 100% correct answers
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Major components of medical video imaging include: 
Fiber optic light cable, Camera Control Unit (CCU) 
 
 
 
Special considerations when using a endoscopic light source are: 
Place in "standby" mode, do not turn on until light cable is connected to the telescope, set according to manufacturer's parameters 
 
 
 
Special considerations when using insufflation (establishing a pneumoperitoneum) 
Always have a backup tank available, position at the level of the patients heart or higher to preven...
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NFPA 1031 - Fire Inspector 1 Questions with 100% Correct Solutions
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1. One of the best ways to stress the importance of inspections upon building owners is through : - A follow - up visit . 
 
2. In an inspection report , fire inspectors are generally concerned with presenting the facts and evidence to prove a point , draw a conclusion , or : - Justify a recommendation 
 
3. Which statement regarding inspection forms / checklists is true ? - They are very useful for inspecting common items and / or complex processes . 
 
4. During an inspection of a bui...
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BRMP - PRACTICE STATEMENTS (YN) With Correct answers
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(IN) - Great work relationships satisfy purpose to help organizations operate indefinitely. <.> 
Y - Page 9 Organizations need Purpose <,> 
 
 
 
(IN) - Value is defined by revenue and profit. <.> 
N - (Value is defined by so much more than just revenue, expenses, and profit. It can also come from a person having a sense of pride in a job well done, or from feeling their work has meaning.) Pg 9 Idea of Value is Evolving <,> 
 
 
 
(IN) - Strong relationships are necessary...
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IV Therapy Final Exam questions and answers verified 100%
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IV Therapy Final Exam questions and answers verified 100% 
 
 
What equipment and supplies are needed for initiation of IV therapy? - cannulas, tourniquets, clean gloves, site cleansing agent, IV solution, IV tubing, IV pole, extension tubing, and dressing 
Using what gauge, what length catheter and in the what vein will reduce the mechanical and chemical irritation to the vein wall? - smallest gauge, shortest length, and largest vein 
What gauges do cannulas range? - 14 to 26 
What len...
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Crossfit Level 1 Exam Questions and Answers 100% Pass
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Crossfit Level 1 Exam Questions and Answers 100% Pass What is the main goal of Crossfit? To increase an individual's competency and abilities at all physical tasks 
What are the 10 fitness domains Crossfit can improve? What are their definitions? - Cardiovascular endurance: Ability of a body system to gather, deliver, and utilize oxygen - Stamina: Ability of body processes to process, deliver, store, and utilize energy systems - Strength: Ability of a muscle joint, or multiple muscular units, t...
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ASTB Study Guide || Already Passed.
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Mechanical Advantage correct answers Distance from applied force to pivot point/distance from pivot point to magnified force 
 
Aviation and Nautical Information: ?'s and time correct answers 30 questions, 15 minutes (computer adaptive test) 
 
Sections on ASTB-E 
Describe each correct answers 1. Math 2. Reading 3. Mechanical Comprehension 4. Aviation and Nautical Information 5. Naval Aviation Trait Facet Inventory 6. Performance Based Measures Battery 7. Biographical Inventory with Response Va...
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Mechanical Advantage.
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Mechanical Advantage.
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Physics Final (Repeats) exam with complete answers
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What two variables determine the mechanical advantage of a simple machine 
Force, distance 
 
 
 
A screwdriver can be used to open a can of paint. In this situation, the screwdriver is being used as a 
Lever 
 
 
 
 
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An oar is used to row a boat. The distance between the oar lock and the rowers hand is 104 cm. This distance is considered 
The effort distance 
 
 
 
The di...
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