2. Which of the following is an indirect method of pressure measurement
Correct : D. All of the above
3. The standard gold point temperature is
Correct : A. 1063?C
4. Under force-current analogy, viscous friction coefficient is considered analogous to
Correct : A. Reciprocal of resistance
5. Elastic members such as Bourdon tube are used to
Correct : B. change force into displacement
6. A polarograph is used for the analysis of
Correct : A. solids
7. Which of the following material has minimum gage factor
Correct : B. Manganin
8. The carrier material used with strain gauges at room temperature is
Correct : C. Impregnated paper
9. Which of the following is a non-contact type thermometer?
Correct : C. Optical pyrometer
10. Which of the following is not a piezoelectric material?
Correct : B. Sodium chloride
11. A thermometer has a time constant of 3.5 seconds. It is quickly taken from a temperature 0?C to water bath at 100?C. What temperature will be indicated after 1.5 second?
Correct : E. 35?C
12. The display of a digital numerical read out instrument is achieved by
Correct : A. Photo tube
13. The amount of moisture in air is measured by
Correct : C. Single psychrometer
14. Thermocouples are generally used for temperature measurements upto
Correct : B. 1600?C
15. 1 Joule is equal to
Correct : A. 107 ergs
16. In the above case the natural frequency be will
Correct : E. 39 Hz
17. Spot the odd one out
Correct : C. Strain gauge
18. Which of the following device is primarily used to measure pressure?
Correct : A. Bourdon tube
19. 1 watt is the same as
Correct : E. 107 ergs/s
20. Which of the following is not a self-generating transducer?
Correct : B. Ionization chamber
21. For ocean sounding where the depth of water is too much and where continuous and accurate record of the depth of water below a boat or ship is to be made, the instrument generally used is known as
Correct : B. Sound meter
22. Surface plates made of granite posses property
Correct : D. All of the above
23. In the above problem the thermal time constant will be
Correct : D. 1.44 hrs
24. Odometer is used to measure
Correct : C. distances
25. The melting point of tungsten is around
Correct : C. 3400?C
26. The reliability of an instrument means
Correct : D. The degree to which repeatability continues to remain within specified limits
27. A steel scale is slightly shorter when compared with a standard scale. This type of error is known as
Correct : C. instrumental error
28. A 4
Correct : E. 19999
29. Which of the following material is used for photoconductive cells
Correct : A. Selenium
30. A thermistor is basically an instrument for the measurement of
Correct : D. temperature
31. The 'dead time' of the instrument is
Correct : B. The time required by an instrument to begin to respond to a change in the measured value
32. The fine wire of which material is most commonly used for resistance thermometer
Correct : C. Nickel
33. Which of the following primary transducer does not convert velocity to pressure?
Correct : D. Vanes
34. Which of the following flow measuring instrument is an area meter?