Welcome to your Thermal/Heat Energy (STUDY BY TOPICS JUNIOR CLASS) NAME EMAIL PHONE NUMBER 1. What is the ability to perform work called? Force Determination Power Energy 2. Ratio of the amount of heat radiation, transmitted through the body to the amount of heat radiation incident on it, is known as _________ Inductance Absorbance Conductance Transmittance 3. Energy stored in foods and fuels is called light energy sound energy chemical energy electrical energy heat energy 4. What type of energy is contained in a body at rest? Electrical Heat Potential Kinetic 5. Which of the following is a type of energy? low grade energy none of the mentioned high grade energy both of the mentioned 6. The process of producing energy by utilizing heat trapped inside the earth surface is called ___ Wave energy Hydrothermal energy Solar energy Geo-Thermal energy 7. Which of the following is the correct expression for Ohms law? I = V * R R = I/ V R = V/ I V = R/ I 8. When a torch light is switched on, the statement that most represents the energy conversion is that electrical energy is converted to light energy only light and heat energies only heat energy only potential and kinetic energies only 9. The heat from a fire at one end of a closed room reaches some one at the other end of the room mainly by diffusion conduction radiation reflection 10. If the amount of heat energy received per unit area from the sun is measured on earth, mars and Jupiter, it will be ___________ The same for all In decreasing order Jupiter, Mars, Earth In increasing order Jupiter, Mars, Earth In decreasing order Mars, Earth, Jupiter 11. Which of the following is a stored energy in an accumulator battery cell? Sound Light None of the above Heat Electrical 12. Heat transfer and work transfer are all of the mentioned boundary phenomena energy in the transit energy interactions 13. The ability or capacity to do work is called power force energy strength 14. black body is at 727°C. It emits energy at a rate, which is proportional to ___________ (1000)2 (1000)4 (727)4 (727)2 15. Energy has different forms which include work heat all of the mentioned none of the mentioned 16. Which of the statements is NOT true? none of the above convection can take place in liquids and gases conduction is the only means of heat transfer in solids convection process requires a material medium 17. Flutes, trumpet and saxophone belong to musical instruments group called sound instruments wind instruments percussion instruments string instruments 18. Heat flow into a system is taken to be ____, and heat flow out of the system is taken as ____ negative, positive positive, positive negative, negative positive, negative 19. What type of energy is contained in the battery of a torch light? Light Heat Chemical Mechanical 20. A pressure cooker reduces cooking time for food, because _______ Cooking involves chemical changes helped by a rise in temperature The higher pressure inside the cooker crushes the food material Boiling point of water involved in cooking is increased Heat is more evenly distributed in the cooking space 1 out of 20 Time is Up! Time's up
