
P6.E Progress Check 2
Quiz by ALEJANDRO URBY
High School
Physics (2017)
Texas Essential Knowledge and Skills (TEKS)
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5 questions
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- Q1Is it possible for the engine to be 100% efficient?YesNoOnly that engineNot enough information120s112.39.c.6.e
- Q2Engines work by converting heat energy into what kind of energy to do work?Chemical EnergyMagnetic EnergyPotential EnergyKinetic Energy120s112.39.c.6.e
- Q3Which law of thermodynamics best describes why the car cannot be 100% efficient?0th Law2nd Law1st Law3rd Law120s112.39.c.6.e
- Q4For what reason can the car not be 100% efficient?Energy is not conservedHeat energy can be 100% converted to mechanical workThe car wasn't made correctlyHeat can't be 100% converted to mechanical work120s112.39.c.6.e
- Q5How is the work done by the car dependent on the efficiency?The efficiency determines how valuable the car isThe efficiency determines how much of the heat energy (input) is transformed to work (output)The efficiency of the car determines if energy is conserved or not.The efficiency of the car determines if momentum is conserved or not120s112.39.c.6.e