Thermal Expansion

1. Different liquids expand more than others?

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2. When a metal expands the following occur except?

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3. Which thermometer has a coiled strip with one fixed end and the other free end attached to a pointer?

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4. Freezing point of alcohol is?

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5. CONVERTING kelvin to degrees C?

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6. When a metal contracts the following occur except?

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7. A Thermometer is an instrument used for measuring temperature?

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8. What is the key main property which makes MERCURY preferable to ALCOHOL in a liquid glass thermometer?

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9. Which of the following is not among the effects of Anomalous expansion of water?

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10. Which of the following statements is not true when you cool down a bimetallic strip containing brass and iron on the same temperature range?

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11. Why are railway-line bolt holes oval in shape?

Question 11 of 55

12. Clinical thermometer temperature range is between 35 degrees C - 43 degrees C which makes it suitable to measure body temperature since a healthy person temperature is 37 degrees C. True or False?

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13. Expansivity is a measure of the tendency of a particular material to expand?

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14. Name 3 common features of a clinical thermometer or lab thermometer?

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15. Which of the following is NOT an importance of the knowledge of Linear Expansivity?

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16. Different metals have different rate of expansion?

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17. Mention the reasons why Telephone wires are loosely fixed

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18. Which thermometer is used to record the maximum and minimum temperature recorded in an area?

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19. Freezing point of mercury is?

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20. Explain why a grown person is able to wear a 3 year old kids finger ring when it is heated but when the ring is left for a while it is impossible for the man to put on the ring

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21. Which of the following is not an application of expansion and contraction?

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22. Which of the following appliances does not use a thermostat?

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23. The key importance of the CONSTRICTION feature in a clinical thermometer?

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24. Which of the following physics experiments explain the expansion and contraction of solids?

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25. Mention the two liquids used in a liquid in Glass thermometer?

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26. Concrete with a linear expansivity of 11/K x 10 to the power of -6 expands more than steel with a linear expansivity of 11/K x 10 to the power of -6

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27. Which of the following liquids expand more than the rest?

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28. Thermostat is a device used to maintain a steady temperature in devices that need temperature regulation i.e. Air conditioner

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29. Which of the following statements does not describe the clinical thermometer?

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30. Which among the following properties of mercury is incorrect?

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31. Why is the capillary bore of a Lab thermometer Narrow?

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32. Which among the following properties of alcohol is NOT correct?

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33. Boiling point of mercury is?

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34. Aluminum with a linear expansivity of 26/K x 10 to the power of -6 expands more than steel with a linear expansivity of 11/K x 10 to the power of -6

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35. CONVERTING degrees C to kelvin?

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36. Which among the following molecular expansion statements does NOT explain expansion of liquids compared to solids?

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37. Why do steel bridges have one end fixed and the other end free?

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38. The clinical thermometer bulb has a thin glass wall for effective heat transmission between the liquid and the source (body/object). True or False?

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39. The key main property which makes alcohol preferable to mercury in a liquid glass thermometer is?

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40. Absolute zero is?

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41. Boiling point of Alcohol is?

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42. What is a bimetallic strip?

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43. The temperature of a body/object is the degree of coldness or hotness of a body/object:

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44. Which of the following is not a property required of the liquid used in LIQUID GLASS THERMOMETER?

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45. Which of the following occurs when you heat a metal e.g. iron and let it cool?

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46. What is the effect of impurities when added in a liquid which is about to be heated i.e. salt in water?

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47. SI UNIT of Temperature is Kelvin. True or False?

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48. What is the consequence of a steam pipe designed without a loop or an expansion joint?

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49. Which of the following statements is NOT true when you heat up a bimetallic strip containing Brass and Iron on the same temperature range

Question 49 of 55

50. What are the two main purposes of the glass stem of a thermometer?

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51. Which of the following describes the anomalous expansion of water?

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52. Temperature is a?

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53. Temperature is among the 7 basic physical quantities

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54. Which among the following molecular expansion statements explain expansion of gases?

Question 54 of 55

55. Which among the following molecular expansion statements explain expansion of solid?

Question 55 of 55