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Question 3. Multiple choice and Fill in the blanks [10 Marks] 1. A Wheatstone bridge cannot be used for precision measurements because errors are introduced into an account of (a) Thermoelectric EMF (b) contact resistance (c) resistance of connecting leads (d) all of above 2. Smallest change, which a sensor can detect, is _ a) Resolution b) Accuracy c) Precision d) Scale 3. Environmental corrosion can cause aging-effect to thermistor. () True, () False. 4. Thermistors circuits require four-wire measurement. () Yes, () No. 5. Systematic error cannot be overcome by careful calibration but can be removed by increasing number of trials. () True, () False. 6. In a set of measurements, as the standard deviation increases, what does it mean? 7. Major difference between RTD and Thermistor is _ 8. In a set of measurements, what is the standard error of the mean? 9. The process of establishment of a relationship between the input to the instrument and output from the instrument is called as a) Static sensitivity b) Static characterization c) Static accuracy d) Static calibration 10. A voltage $V$ is read using the Voltmeter described with accuracy of 2%. The full-scale range of the instrument is 220 Volts. The reading indicates 50 Volts. Determine the absolute and the relative error of the reading.

          Question 3. Multiple choice and Fill in the blanks [10 Marks]
1. A Wheatstone bridge cannot be used for precision measurements because errors are introduced
into an account of
(a) Thermoelectric EMF (b) contact resistance (c) resistance of connecting leads (d) all of above
2. Smallest change, which a sensor can detect, is _____
a) Resolution
b) Accuracy
c) Precision
d) Scale
3. Environmental corrosion can cause aging-effect to thermistor. () True, () False.
4. Thermistors circuits require four-wire measurement. () Yes, () No.
5. Systematic error cannot be overcome by careful calibration but can be removed by increasing
number of trials. () True, () False.
6. In a set of measurements, as the standard deviation increases, what does it mean?
7. Major difference between RTD and Thermistor is _____
8. In a set of measurements, what is the standard error of the mean?
9. The process of establishment of a relationship between the input to the instrument and output
from the instrument is called as
a) Static sensitivity
b) Static characterization
c) Static accuracy
d) Static calibration
10. A voltage $V$ is read using the Voltmeter described with accuracy of 2%. The full-scale range
of the instrument is 220 Volts. The reading indicates 50 Volts. Determine the absolute and the
relative error of the reading.

Question 3. Multiple choice and Fill in the blanks [10 Marks]
1. A Wheatstone bridge cannot be used for precision measurements because errors are introduced
into an account of
(a) Thermoelectric EMF (b) contact resistance (c) resistance of connecting leads (d) all of above
2. Smallest change, which a sensor can detect, is
a) Resolution
b) Accuracy
c) Precision
d) Scale
3. Environmental corrosion can cause aging-effect to thermistor. () True, () False.
4. Thermistors circuits require four-wire measurement. () Yes, () No.
5. Systematic error cannot be overcome by careful calibration but can be removed by increasing
number of trials. () True, () False.
6. In a set of measurements, as the standard deviation increases, what does it mean?
7. Major difference between RTD and Thermistor is
8. In a set of measurements, what is the standard error of the mean?
9. The process of establishment of a relationship between the input to the instrument and output
from the instrument is called as
a) Static sensitivity
b) Static characterization
c) Static accuracy
d) Static calibration
10. A voltage V is read using the Voltmeter described with accuracy of 2%. The full-scale range
of the instrument is 220 Volts. The reading indicates 50 Volts. Determine the absolute and the
relative error of the reading.

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