Physics 1603 Exam Chapter 2 Review Questions and Answers 2023

23. An ___ is a device that converts thermal energy into mechanical energy. - -heat engine -24. ____________is the study of the relationships between heat, work, and thermal energy. - -Thermodynamics -25. An ___ is a device that transforms the Suns radiant energy into thermal energy. - -Solar collectors -26. The energy required to raise the temperature of 1 kg of a material by 1 degree celcius is a materials ___? - -specific heat -27. The ___ states that thermal energy can be transferred from a cooler location to a warmer location only when work is done. - -Second law of thermodynamics -28.Thermal energy is transferred slowly through an _____. - -Thermal insulators -29. Look at picture) If work is greater than heat in the figure, then what must be true about the couch? - -(C) . Its total energy is increasing -30. In which device is fuel burned inside chambers called cylinders? - -(A). internal combustion engine -31. During which phase of a four-stroke engine are waste gases removed? - -(d) exhaust stroke -32. Which material is a poor thermal insulator? - -(A) iron -33. Which device transfers thermal energy from a cooler region to a warmer region - -((B) refrigerator