Thermal Expansion

1. CONVERTING kelvin to degrees C?

Question 1 of 55

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

Question 2 of 55

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

Question 3 of 55

4. Temperature is among the 7 basic physical quantities

Question 4 of 55

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

Question 5 of 55

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

Question 6 of 55

7. CONVERTING degrees C to kelvin?

Question 7 of 55

8. Absolute zero is?

Question 8 of 55

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

Question 9 of 55

10. 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?

Question 10 of 55

11. 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

Question 11 of 55

12. Temperature is a?

Question 12 of 55

13. Mention the reasons why Telephone wires are loosely fixed

Question 13 of 55

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

Question 14 of 55

15. Boiling point of Alcohol is?

Question 15 of 55

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

Question 16 of 55

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

Question 17 of 55

18. 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

Question 18 of 55

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

Question 19 of 55

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

Question 20 of 55

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

Question 21 of 55

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

Question 22 of 55

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

Question 23 of 55

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

Question 24 of 55

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

Question 25 of 55

26. When a metal expands the following occur except?

Question 26 of 55

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

Question 27 of 55

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

Question 28 of 55

29. Boiling point of mercury is?

Question 29 of 55

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

Question 30 of 55

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

Question 31 of 55

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

Question 32 of 55

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

Question 33 of 55

34. What is a bimetallic strip?

Question 34 of 55

35. 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 35 of 55

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

Question 36 of 55

37. Freezing point of mercury is?

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

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

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

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

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42. Freezing point of alcohol is?

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

Question 43 of 55

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

Question 44 of 55

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

Question 45 of 55

46. 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

Question 46 of 55

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

Question 47 of 55

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

Question 48 of 55

49. Different liquids expand more than others?

Question 49 of 55

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

Question 50 of 55

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

Question 51 of 55

52. When a metal contracts the following occur except?

Question 52 of 55

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

Question 53 of 55

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

Question 54 of 55

55. Different metals have different rate of expansion?

Question 55 of 55