Thermal Expansion

1. Temperature is among the 7 basic physical quantities

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

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3. Freezing point of mercury is?

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

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

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

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

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

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9. 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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10. CONVERTING degrees C to kelvin?

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

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

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

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

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

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16. CONVERTING kelvin to degrees C?

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17. 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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18. Temperature is a?

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19. Different metals have different rate of expansion?

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

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

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

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

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24. Boiling point of mercury is?

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25. 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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26. What is a bimetallic strip?

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

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

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29. Mention the reasons why Telephone wires are loosely fixed

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

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

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32. Boiling point of Alcohol is?

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

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

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

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

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38. When a metal expands the following occur except?

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

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

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41. 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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42. Which among the following properties of mercury is incorrect?

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

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

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

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

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

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

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51. Different liquids expand more than others?

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52. Freezing point of alcohol is?

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53. When a metal contracts the following occur except?

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

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55. Absolute zero is?

Question 55 of 55