Characteristics of Instruments & Measurement Systems – 1 – 1

1. In measurement, what do you call the degree of exactness compared to the expected value of the variable being measured ?

(a) precision
(b) accuracy
(c) sharpness
(d) correctness

Answer
Answer : (b)

Explanation
No answer description available for this question. Let us discuss.

2. A measure of consistency or repeatability of measurements is called.

(a) precision
(b) accuracy
(c) sharpness
(d) correctness

Answer
Answer : (a)

Explanation
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3.  An instrument or device having recognized permanent or stable value that is used as a reference.

(a) standard instrument/device
(b) reference instrument/device
(c) fixed instrument/device
(d) ideal instrument/device

Answer
Answer : (a)

Explanation
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4.  The smallest change in a measured variable to which an instrument will respond.

(a) quantize value
(b) resolution
(c) minimum
(d) step size

Answer
Answer : (b)

Explanation
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5. Precision is also known as :

(a) correctness
(b) accuracy
(c) sharpness
(d) reproducibility

Answer
Answer : (d)

Explanation
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