EOC Review 2018
Quiz by Zac Lewis
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37 questions
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- Q1What is the FIRST step of the engineering design process?understand the planbrainstormbuild a prototyperesearch the plan60s
- Q2What is the purpose of mechanical advantage?to decrease the amount of effort we have to useto act only as a distance dividerto only multiply the force of a objectto increase the amount of effort we are capable of applying60s
- Q3Humans use energy while at rest. Most of this energy is converted in to what type of energy?motionelectricalkineticheat60s
- Q4What is the difference between tension and compression?tension pulls apart while compression pushes togethertension pushes while compression pulls aparttension pulls down while compression pushes togethertension pulls apart while compression twists60s
- Q5According to Newton's 2nd Law of Motion, what are two ways to increase force?increase mass and decrease accelerationdecrease mass and decrease accelerationincrease mass and increase accelerationdecrease mass and increase acceleration60s
- Q6What is it called when you improve one thing while having a negative effect on something else?balance pointengineering tradeoffNewton's 2nd Lawtransportation ratio60s
- Q7How do you increase the lift efficiency ratio and flight times?decrease wing plantar area and/or increase glider weightincrease glider area and/or decrease glider weightincrease wing plantar area and/or increase glider weightdecrease wing plantar area and/or decrease glider weight60s
- Q8Which of the following is an advantage of an electric vehicle?a short charge time compared to filling a gas tankthey can be charged anywheretheir range is longer than a gas powered vehiclethey are less polluting60s
- Q9What is the term called when Bioengineers use nature as an inspiration for design?SuitableAdaptableCooperative EngineeringBiomimicry60s
- Q10What is it called when engineers improve existing technologies or solve technological problems?four forces of flightinvention and innovationlift efficiency ratiophotovoltaic technology60s
- Q11Businesses construct wind turbines on their property for all of these reasons EXCEPT?they can receive tax credits for using renewable energyThis is a wrong answer they can receive tax credits for using renewable energyit is a government requirementit reduces how much money they spend of electricityit reduces the carbon put into the atmosphere60s
- Q12What type of device converts electrical energy into mechanical, light, heat, or sound energy?inputfeedbackoutputprocess60s
- Q13What determines the Factor of Safety (FS)?the more expensive structures have a higher FSthe more people a structure carries, the higher the FSthe most attractive structures have a higher FSthe newer structures have a higher FS60s
- Q14For a dragster to leave the starting line, which statement must be true?propulsion force does not apply to this situationpropulsion force must equal to resistive forcepropulsion force must be less than resistive forcepropulsion must be greater than resistive force60s
- Q15If we increase potential energy, what effect does it have on kinetic energy?kinetic energy will decrease by half of the potential energypotential energy can not change to kinetic energykinetic energy will increase by the same amountkinetic energy will increase by half of the potential energy60s