Analytical instruments MCQ Quiz Hub

Analytical Instrumentation MCQ Question Set 22

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1. Which of the following is not possible?




2. Galvanometer is used for ________




3. Power consumption of unknown source connected will be ________




4. A potentiometer cannot be used for calibration of ammeter.




5. Which of the following devices cannot be used potentiometer as calibrating device?




6. At null position, galvanometer reading will be __________




7. Hot wire anemometer can be used to measure ______




8. Hot wire anemometer is an application of ___________




9. sI unit of thermal conductivity is _______




10. Which of the following represents opposition to heat flow?




11. Which of the following factors affect thermal conductivity?




12. What is ‘Righi Leduc-effect’?




13. Under phase change, thermal conductivity remains constant.




14. When anisotropy is present, direction of heat flow and thermal gradient will be same.




15. Insulation property of an insulator decrease in ________




16. Which of the following describes molecule movement in gas and liquid?




17. Beam balance is used for _________




18. In electromagnetic balance system, horizontality is detected by ______




19. Which of the following application in the balance system a PMMC device used for?




20. Null position is attained when _______




21. In balance system gain of amplifier is _____




22. Torque of PMMC device is proportional to ______




23. Null detection can be accomplished by _________




24. PMMC system always tend to make the system distract from null position.




25. In a pneumatic balance system, restoring is done by _______




26. In a pneumatic balance system, developed output will be _____




27. Process of physical deformation on application of electric field is described by ________




28. Who invented the piezoelectric effect?




29. Which of the following represents piezoelectric materials?




30. Property of exhibiting electric polarization when exposed to intense electric field is known as _____




31. Which of the following quantities cannot be measured using piezoelectric transducers?




32. Which of the following can be used conveniently at 1000c temperature?




33. Which of the following type transducers are used in IC engines?




34. ______ are also known as piezopile.




35. Piezoelectric accelerometer requires damping system.




36. In piezoelectric strain transducer voltage developed is _____ to strain applied.




37. Which of the following represents correct conversion for magnetostrictive transducers?




38. Which of the following represents negative magnetostriction?




39. Which of the following element shows increase in magnetic flux density on decreasing stress applied?




40. Which of the following materials shows an increase in permeability with increase in tensile stress?




41. Magnetostrictive transducer can be used to measure _______




42. Which of the following represents the use of including additional mass in acceleration transducer?




43. Magnetostrictive transducers are more sensitive than piezoelectric transducers.




44. Which of the following torque can be measured using magnetostrictive transducers?




45. Which of the following represents correct expression for sensitivity in a magnetostrictive transducer?




46. Magnetostrictive transducers can only be used in static forces.




47. Hall Effect is a/an _____




48. At equilibrium Lorentz forces will be ____________ of Hall Effect force.




49. Which of the following represents the correct expression of Lorentz force?




50. Hall potential is inversely proportional to magnetic flux density.