Help me please, Kindly answer this with detailed and clear explanation. Thank you.
f. Content Standard Assessment W,- On the space provided for each number. write the letter of the correct answer. 1. A form of energy that is transferred between objects of different temperatures. ,_ Heal b. Light c. Sound d. Wave 2. What is the function of a heat engine? a. it converts thermal into chemical energy. b. It converts thermal to mechanical energy. c. it converts mechanical to chemical energy. d. It converts chemical to mechanical energy. 3, Why is the heat engine not 100% efficient? 3. Because all mixture of gases ls converted into work. b. Because an engine needs to be cooled _..... down. c. All of the gases are used up by the engine. d. Some of the gases are taken up in the piston. .4.What causes thermal pollution? a. Exhaust of different vehicles. b. Exhaust from different Industrial engines. c. Degradation of water. d. All of them 5. How can an air conditioning unit function as a heater during cold days and as a cooler during hot days? 1. It cools the inside of the house and heats the outside. 2. it takes heat from the air outside to warm the inside. a. 1 only b. 2 only 0. Both 1 and 2 d. None of them 6. The internal energy of a system is initially 35 J. The system does 34 J of work. What is the system's nal internal energy when a total of 46 J of energy is added to the system as heat? a. 47J b.26 J c. 37 J d. 36 J 7. While gas does 400.] of work on its surroundings. 900J of heat is added to the gas. What is the change in the internal energy of the gas? a. 500.! b.400J c. 900.! d.300J 8. if 500 calories of heat are added to a gas. and the gas expands doing 500.1 of work on its surroundings. what is the change in the internal energy of the gas? a. 1555J b. 5915J c. 5159J d.1595J 9. How can water from the deep well move upward? a. it occurs naturally. b. It uses a water heat pump. 6. it is a spontaneous process. d. It flows from highertemperature to cooler temperature 10.Given the following mechanisms. which best describes the correct sequence of the refrigeration cycle? 1. compression 2. Condensation 3. Expansion d. evaporation a. 1.2.3.4 b. 2.3.4.1 c. 3.4.1.2 (L4. 3.1 11. It is thermal energy discharged into an area at a lower temperature without being converted into useful work. a. Waste heat b. Heat engine c. Heat pump d. Essential Energy 12. A transfer of thermal energy from one object to another because of a difference in temperature. a. rising heat b. Cooling heat c. conduction d. Heat 13. The Increase of volume of a material when its temperature increases. a. Convection b. Thermal expansion c. Conduction d. Thermal Compression 14. In a cyclic heat engine there is? a. not heat transfer to the system and net work transfer from the system b. net heat transfer from the system and net work transform the system c. dependency on the conditions of the cycle d. none of the above 15. All of these represent what a heat engine is EXCEPT one. Which is it? a. Boiler b. Turbine c. condenser ' d. light 16. in a heat engine cycle. which of the following process occurs? 3.. Heat is transferred from furnace to boiler. b. Work is produced in turbine rotor. c. Steam is condensed in a condenser. d. all of the above 1?. The function of a heat engine cycle is to continuously at the expense of to the system. a. produce work, work output b. produce work, heat input c. heat input. heat input d. heat input, produce work 18. A thermal energy reservoir that transfers heat to a system is called __ and one which receives heat is wiled a. source. sink b.. sink, source c. sink. sink cl. source.source 19. One of the following plants runs on a binary cycle. Which one is it? _ a. Vapor dominated plant b. Liquid dominated high-temperature plant c. Liquid dominated low-temperature plant d.All of the above 20. in a thermal power plant, the turbine is placed where? a. before the boiler b. in between boiler and generator c. after the generator d. any of the above
