Thermal Expansion

1. Freezing point of mercury is?

Question 1 of 55

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

Question 2 of 55

3. Different metals have different rate of expansion?

Question 3 of 55

4. 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 4 of 55

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

Question 5 of 55

6. Boiling point of mercury is?

Question 6 of 55

7. What is a bimetallic strip?

Question 7 of 55

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

Question 8 of 55

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

Question 9 of 55

10. Temperature is a?

Question 10 of 55

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

Question 11 of 55

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

Question 12 of 55

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

Question 13 of 55

14. Boiling point of Alcohol is?

Question 14 of 55

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

Question 15 of 55

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

Question 16 of 55

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

Question 17 of 55

18. 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 18 of 55

19. When a metal contracts the following occur except?

Question 19 of 55

20. Freezing point of alcohol is?

Question 20 of 55

21. Temperature is among the 7 basic physical quantities

Question 21 of 55

22. 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 22 of 55

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

Question 23 of 55

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

Question 24 of 55

25. CONVERTING kelvin to degrees C?

Question 25 of 55

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

Question 26 of 55

27. 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 27 of 55

28. When a metal expands the following occur except?

Question 28 of 55

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

Question 29 of 55

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

Question 30 of 55

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

Question 31 of 55

32. Different liquids expand more than others?

Question 32 of 55

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

Question 33 of 55

34. CONVERTING degrees C to kelvin?

Question 34 of 55

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

Question 35 of 55

36. 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 36 of 55

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

Question 37 of 55

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

Question 38 of 55

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

Question 39 of 55

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

Question 40 of 55

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

Question 41 of 55

42. 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 42 of 55

43. Mention the reasons why Telephone wires are loosely fixed

Question 43 of 55

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

Question 44 of 55

45. 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 45 of 55

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

Question 46 of 55

47. Absolute zero is?

Question 47 of 55

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

Question 48 of 55

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

Question 49 of 55

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

Question 50 of 55

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

Question 51 of 55

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

Question 52 of 55

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

Question 53 of 55

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

Question 54 of 55

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

Question 55 of 55