Measurement And Instrument Theory - 6 - MCQs with answers

Measurement And Instrument Theory - 6 - MCQs with answers

Q1. The systematic errors of an instrument can be reduced by making

A. The sensitivity of instrument to environmental input as low as possible

B. The sensitivity of instrument to environmental input as high as possible

C. Systematic errors does not depend on the sensitivity of instrument

D. None of these

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Q2. Suitable method for the reduction of systematic errors is/are

A. Instrument must be designed carefully

B. By introducing an equal and opposite environmental input for compensating the effect of environmental input in a measurement system

C. By adding high gain feedback to measurement system

D. All of these

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Q3. If the instrument is used in wrong manner while application, then it will results in

A. Systematic error
B. Instrument error
C. Random error
D. Environmental error

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Q4. The undesirable characteristics of an measuring system is/are

A. Drift
B. Dead zone
C. Non linearity
D. All of these

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Q5. Calibration of instrument is an important consideration in measurement system. The errors due to instruments being out of calibration can be rectified by

A. Increasing the frequency of recalibration
B. Increasing the temperature coefficient
C. Increasing the susceptibility of measuring instrument
D. Decreasing the frequency of recalibration

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Q6. Random errors in a measurement system are due to

A. Environmental changes
B. Use of uncalibrated instrument
C. Poor cabling practices
D. Unpredictable effects

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Q7. If the quantity to be measured remains constant during the process of taking the repeated measurements then the random errors can be eliminated by

A. Calculating the mean of the number of repeated measurements
B. Calculating the median of the number of repeated measurements
C. Calculating the sum of the numbers of repeated measurements
D. Either (a) or (b)

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Q8. The error between mean of finite data set and mean of infinite data set is known as

A. True error of the mean
B. Standard error of the mean
C. Finite error
D. Infinite error

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Q9. In a measurement system,

A. A single measurement components may have both random errors and systematic errors

B. A measurement system consists of several components with each component having separate errors

C. Both the statement (a) & (b) are true

D. Neither statement (a) nor statement (b) are true

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