Fundamentals of Engineering verified answers and questions 2023.

Fundamentals of Engineering verified answers and questions 2023. According to the US Dept of Commerce, between 2008 and 2018, U.S. STEM jobs are predicted to grow by ___%, compared to a growth rate estimate of just under 10% for non-STEM jobs. - correct answers.17% Which of the following types of engineers work to create roads, bridges, and tunnels? - correct answers.Civil Engineers The difference between hardwood and softwood is - correct oods are from deciduous trees, softwoods are from coniferous trees Quality Control inspects materials during the manufacturing process to: - correct e that each material has the correct characteristics Composite materials have revolutionized which industry? - correct answers.Aerospace Industry What are the five largest fields of engineering? - correct cal, industrial, electrical, mechanical, civil Another good way to describe engineering is simply saying that engineering is - correct answers.Problem Solving Select the best definition for what engineering is - correct answers.The use of tools and materials to create things to solve problems for man Mercury is known in space history as - correct answers.The first US manned rocket system Neil Armstrong - correct man to walk on the moon Alan Shepard - correct answers.First American to Orbit Earth It took Apollo 11 how long to fly to the moon? - correct answers.3 Days The space shuttle has flown to the moon how many times? - correct answers.0 The Gemini program used an Atlas rocket - correct answers.False Spaceship One was the name of the first lunar lander in 1969. - correct answers.False The next new fleet of spacecraft to fly to the moon and Mars will incorporate some 40 year old technologies. - correct answers.True Man first landed on Mars in 1972 - correct answers.False Composite materials are lighter and much less expensive than more traditional materials such as steel and plastics - correct answers.False The Saturn V rocket is the largest rocket ever built. - correct answers.True The first moon landing was in 1959 - correct answers.False Copper, zinc and nickel mixed together make an alloy we know as brass - correct answers.True Steel, nickel, and chromium together make an alloy we know as stainless steel - correct answers.True Hardwoods are the most widely used home construction materials - correct answers.False Thermoplastics may be recycled - correct answers.True Ferrous metals are easy detectable with magnets. - correct answers.True Composite materials have made it possible for new flying distance records around the earth - correct answers.True Polymer is another name for alloy - correct answers.False Quenching, dipping heated metals in oil or water, can change the hardness of the metal. - correct answers.True Pine, fir, and oak are all hardwoods - correct answers.False Vacuum forming is used on thermoplastics. - correct answers.True What is NOT a characteristic of plastics that makes it a good material for manufacturing parts? - correct answers.Conductive Material What are plastics made from? - correct answers.Hydrocarbons Which of the following are examples of ferrous metals? - correct answers.Cold rolled steel, iron, and stainless steel Graphite is a main component in many - correct answers.Composites Two main resin families used in composite materials are - correct answers.Epoxy and Ethyl Ester Resins Examples of precious metals are - correct answers.Platinum, Gold, and Silver Injection molding is used predominately in - correct answers.Thermoplastic Processes Wood veneers are used to - correct answers.Make Plywood/ Create thin wood laminates to cover less expensive woods Plastics can only be recycled if - correct answers.They are Thermoplastics Alloys are - correct answers.A mixture of two metals to create a metal with different properties What units are used to measure electrical current? - correct answers.Amperes What units are used to measure electrical resistance? - correct answers.Ohms A multimeter is a device that can measure - correct answers.Voltage, Current, Resistance A full-time engineer works eight hours a day, five days a week, and is allowed four weeks of paid time-off per year. Approximately how many hours does the engineer work in one year? - correct answers.2000 Hours Mechanical engineers Design: - correct answers.Systems with pulleys, instruments, gears, drives, cams, power, and torque Aerospace Engineers Design: - correct answers.Systems for Aeronautics Civil engineers design: - correct answers.Bridges, roadways, dams electrical engineers design: - correct answers.Electrical power systems Air pressure above airfoil: - correct answers.Low pressure Air pressure below airfoil - correct answers.High pressure What is an airfoil? - correct answers.The wind of an aeronautical craft (aircraft) What causes an airfoil to fly - correct answers.Lift The part of a robot that grasps is called: - correct answers.The Manipulator Holonomic Drive: - correct s to the relationship between the controllable axis and degrees of freedom of a given robot The microcontroller on a robot: - correct answers.Executes robots program Robots that run by themselves without human control require: - correct answers.Micro-controller and Autonomous programming Motor Controls have: - correct answers.Power routed from the power source and are connected to the microcontroller with PWM cables Crystal rode her bike 600 miles and she carried a spare tire on the trip. To provide equal wear on all tires, she changed her tires while traveling. How many miles of wear did each tire accumulate? - correct answers.200 miles Given the equation for thermal expansion: delta L = coefficient of expansion x deltaT x Length. If a material 40 ft long, with a coefficient of expansion of .00025, is heated to 150 degrees, the deltaL = _______________ feet? - correct answers.Not enough information Given the equation for thermal expansion: deltaL = coefficient of expansion x deltaT x Length. If the coefficient of expansion of copper is 0.. The length of a copper object is 100 ft. If the object experiences a 60 degree temperature increase, what will the new length of the object be in feet? - correct answers.100.0576 feet Given the equation for thermal expansion: deltaL = coefficient of expansion x deltaT x Length. If a material 120 in. in length, with a coefficient of expansion of 0.00075, changes 4 in., what temperature was the material heated to? - correct answers.44 degrees A temperature of 45 degrees C is equal to __________ degrees F. - correct answers.133 degrees F An air conditioner can remove 7500 BTU per hour. This is the equivalent of_________kilowatts. kW = (BTU/h * 0.) - correct answers.2.2 Kilowatts Recall that V = IR and P = VI. How much power must a 5 V battery provide to drive a 25 Ohm load? - correct answers.1 W If there is 5 gears and a 32 tooth gear is the input gear, what is the gear ratio at the rightmost 8 tooth gear ? - correct answers.1:4 If there is 5 gears and the leftmost 32 tooth gear turns counterclockwise, which direction will the rightmost 8 tooth gear turn? - correct answers.Counterclockwise The small gears have 8 teeth and the larger ones have 24. How fast must the left axle rotate so that the right axle will rotate once per second? - correct answers.3 turns/ Second If there is 2 gears, and the leftmost 32 tooth gear is the input gear and the rightmost gear is 24 teeth gear what is the gear ratio? - correct answers.3:4 Small gears have 8 teeth and the larger ones have 24. How fast must the upper left axle rotate so that the so that the wheel on the lower rotates once per second? - correct answers.3 turns per second Mass production of parts requires what? - correct answers.Jigs, fixtures, robotics with automation, and time and motion studies If a position is shown relative to the origin, that point is described as a(n) _______ coordinate. - correct answers.Absolute Coordinate If the X position is 3.5, the Z position is -0.3 and the Y position is 2, the coordinates should be written: - correct answers.(2, 3.5, -0.3) When drawing in CAD/CAM, the ______ grid contains points that the cursor can snap to during sketching. - correct answers.Snap grid Match the correct safety color with what it represents. ORANGE represents: - correct answers.Safety guards and pinch points Match the correct safety color with what it represents. BLUE represents: - correct answers.Safety equipment and first aid Match the correct safety color with what it represents. RED represents: - correct answers.Danger/emergency and fire equipment Match the correct safety color with what it represents. WHITE represents: - correct answers.Waste storage and cleanup areas Match the correct safety color with what it represents. GREEN represents: - correct answers.Safety equipment and first aid Match the correct safety color with what it represents. YELLOW represents: - correct answers.Walkways, railings, trip hazards and machine clearance areas What does the acronym OSHA stand for? - correct answers.Occupational Safety and Health Administration What is the function of OSHA? - correct answers.To ensure a safe workplace for all workers