FST 215 Chapter 4 Review Questions

Pressurized eyes Our eyes need a certain amount of internal pressure in order to work properly, with the normal range being between 10 and 20 mm of mercury. The pressure is determined by a balance between the fluid entering and leaving the eye. If the pressure is above the normal level, damage may occur to the optic nerve where it leaves the eye, leading to a loss of the visual field termed glaucoma. Measurement of the pressure within the eye can be done by several different noninvasive types of instruments, all of which measure the slight deformation of the eyeball when a force is put on it. Some methods use a physical probe that makes contact with the front of the eye, applies a known force, and measures the deformation. One non-contact method uses a calibrated “puff” of air that is blown against the eye. The stagnation pressure resulting from the air blowing against the eyeball causes a slight deformation, the magnitude of which is correlated with the pressure within the eyeball.…

Questions 1. To increase his speed from 20 km/h to 30 km/h, the cyclist must produce an additional 90 watts of power. Using the graph, determine the increase in power required to increase the speed from 50 km, What can you conclude about the type of relationship based on this result? 2. What other factors should be considered when determining the amount of power required to cycle at a certain speed? from 50-60km

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A certain type of ship has two tanks in its engine. Each tank contains a different type of fuel. when the engine turns on, the same amount of energy is transferred out of both fuels. why did fuel 1 change pahse, but fuel 2 stayed the same. what happened to molecules of both fuels

Shannon’s Law Arizona statutes were changed in 2000 concerning the use of firearms. The statute was named after a fourteen-year-old girl, Shannon Smith in Phoenix, Arizona who was killed by a stray bullet in June 1999. Shannon’s law was only a misdemeanor until the statutes changed in 2000. It is now a felony to discharge a firearm randomly into the air.  No arrests were ever made for the death of Shannon Smith. She was standing in the middle of the back yard talking on her cell phone when a stray bullet went through the top of her head and killed her. Q: A number of injuries and deaths have been attributed to celebratory gunfire both in the U.S. and worldwide. In the state of Arizona, one such tragic incident led to the death of an eighth-grade student as described in the accompanying graphic. if you model the round that struck Shannon as a lead sphere 9mm in diameter (a common handgun caliber) and accounting for buoyant force: Calculate the probable velocity of the round that caused…

The Weather Monitor. Your South American expedition splits into two groups: one that stays at home base, and yours that goes off to set up a sensor that will monitor precipitation, temperature, and sunlight through the upcoming winter. The sensor must link up to a central communications system at base camp that simultaneously uploads the data from numerous sensors to a satellite. In order to set up and calibrate the sensor, you will have to communicate with base camp to give them specific location information. Unfortunately, the group's communication and navigation equipment has dwindled to walkie-talkies and a compass due to a river-raft mishap, which means your group must not exceed the range of the walkie-talkies (3.0 miles). However, you do have a laser rangefinder to help you measure distances as you navigate with the compass. After a few hours of hiking, you find the perfect plateau on which to mount the sensor. You have carefully mapped your path from base camp around lakes and…

Question 2 You are a biomedical engineer working for a small orthopaedic firm that fabricates rectangular shaped fracture fixation plates from titanium alloy (model = "Ti Fix-It") materials. A recent clinical report documents some problems with the plates implanted into fractured limbs. Specifically, some plates have become permanently bent while patients are in rehab and doing partial weight bearing activities. Your boss asks you to review the technical report that was generated by the previous test engineer (whose job you now have!) and used to verify the design. The brief report states the following... "Ti Fix-It plates were manufactured from Ti-6Al-4V (grade 5) and machined into solid 150 mm long beams with a 4 mm thick and 15 mm wide cross section. Each Ti Fix-It plate was loaded in equilibrium in a 4-point bending test (set-up configuration is provided in drawing below), with an applied load of 1000N. The maximum stress in this set-up was less than the yield stress for the…

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https://www.sciencedirect.com/science/article/abs/pii/S0965997822001569 In the literature review, they should present the system installed and the main results obtained. In other words, the enhancement due to the installed system. They have to define the system used in this study. (the report talking about ventilation) pls in briefly Don’t using chatgpt please urgent i will give u good feedback

Assignment 1: Killer Robot Summary of the case: Bart Matthews, a robot operator at Cybernetics, Inc., has been killed by an out- of-control robot named Robbie. The creator of the robot, Silicon Technologies, is also in a tight financial position and had hoped that the robot would put the company back on its feet. It has been determined that several situations contributed to the death of Matthews: 1. Improper methodology was used in developing the software. 2. Testing of the software was faked. 3. The company pressured Robbie's creators to by-pass testing. 4. Part of the software used in the robot was stolen from another vendor's application. 5. The programmer did not understand or know the code which he used. 6. Security measures used were illegal, and therefore all information gathered in regard to the case might not be permissible in court. 7. The project leader did not understand or use proper design methodologies. 8. The end-user interface was designed improperly. Questions for…

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True or False 1. It is acceptable to use a hoist to lift something that weighs more than the rating on the hoist when the load is lifted carefully. 2. Typically, combustible material accidents occur at higher temperatures while flammable material accidents occur at room temperature. 3. Water reactive chemicals include calcium carbide, cyclooctene, metal hydrides, and metals like sodium and potassium. 4. When driving material lifting equipment, workers should maintain at least a 5-foot clearance from overhead power lines. 5. Workers should use at least 2 straps placed equally from the center when lifting a long I-beam. ******************************************************************************************** Multiple Choice 1. Which of the following chemicals is not considered a liver toxin? A. Glacial acetic acid B. Carbon Tetrachloride C. Ethanol D. Trichloroethylene 2. Which of the following is a safety practice intended to protect workers from a lightning strike? A. Use a metal…

https://pubmed.ncbi.nlm.nih.gov/32521345/ In the literature review, they should present the system installed and the main results obtained. In other words, the enhancement due to the installed system. They have to define the system used in this study. (the report talking about ventilation) pls in briefly Don’t using chatgpt please urgent i will give u like

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Newton's Law of cooling states that the rate at which heat is lost by a heated body is proportional to the difference in temperature between the body and the surrounding medium. Match the following statements/phrases with the corresponding item in the drop down box. Choices in the box 1. In accordance with the stated law obove, we have the equation? 2. If a thermometer is taken outdoors where the temperoture is 5 deg C, from a room in which the temperature is 20 deg C and the reading drops 10 deg C in one minute, the working equation is? 3. In the obove problem, separoting the variables and integrating will result to? 4. In the obove problem, how long, in minutes, after its removal from the room will the reading be 6 deg C? 5. In the obove problem, ofter 30 seconds, whot will be the thermometer reading? 5.2 dT(body temp)/dt = k(Temp of medium - 5) dr(body temp)/dt = k(Temp of body - Temp of medium) Temp of body = Cenkt +5 2.5 13.7 dr(body temp)/dt = k(Temp of medium - Temp of body)…