1. What is the relation of temperature coefficient of resistivity on the coefficient of thermal expansion in RTD?

2. A metal with temperature coefficient of resistance has a value 200, its initial resistance is given by 40Ω. For an increase in 300c to350c what will be the final resistance value?

3. Which of the following can be used to measure using thermistors?

4. Thermistors may be in wire form.

5. Which of the following is correct for thermistors?

6. Thermistors have high stability.

7. Which of the following represents drawback of the inductive transducer for displacement measurement?

8. Which of the following represents the application of inductive transducers?

9. Push-pull coil system is used for _____

10. Closely wound toroid coils are better than solenoid coil.

11. Which of the following is correct for toroid type coils?

12. Which of the following represents materials used for thickness measurement using inductive transducer?

13. Which of the following device can be used for measuring relative angular displacement between two systems?

14. Which of the following is correct for synchro?

15. For thickness measurement, the material should have constant permeability and resistivity.

16. Inductive potentiometers are used to measure ________

17. Capacitive transducers can be used by _______

18. Capacitive transducers cannot be used as strain gauges.

19. Which of the following is correct for the capacitive transducer?

20. For a material capacitance increases with _______

21. Which of the following is correct for moisture transducers?

22. Which of the following device is used for measuring relative humidity?

23. Which of the following quantities cannot be measured by capacitive transducers?

24. Which of the following have high relative permittivity?

25. Capacitive microphone is an application of ______

26. Thermometers are not possible using a capacitive transducer.

27. Thermocouple is a ________

28. Operation of thermocouple is governed by ________

29. ______ describes current flow between two junctions formed by two different metals.

30. Amount of heat liberated or absorbed when 1A current passes is called _______

31. Total seebeck effect can be found as ________

32. Which of the following element is used as a thermocouple in nuclear reactor?

33. Thermocouple cannot used for measurement of temperature of liquid.

34. ______ can be used as a replacement for thermocouple lead.

35. Thermo couple cannot be used to measure _______

36. Peltier effect is reverse of seebeck effect.

37. Internal temperature of a hot body is measured by measuring ________

38. Temperature gradient of a substance is _______

39. Feedback system is used to _____

40. If temperature T1 of material A is equal to temperature T2 of material B, then which of the following are correct?

41. Which of the following represents closed loop thermal control?

42. Which of the following true for temperature gradient?

43. Which of the following represents unit for temperature gradient?

44. Which of the following is correct for temperature gradient?

45. Temperature gradient is a scalar quantity.

46. Which of the following represents the rate of heat loss of a body?

47. Standardization of potentiometer is used for __________

48. Which of the following device is used for calibration of a potentiometer?

49. Galvanometer used should be calibrated first.

50. Which of the following cannot be measured using potentiometer?