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

EXPLANATION

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

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

ANSWER

EXPLANATION

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

EXPLANATION

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

EXPLANATION

5. Precision is also known as :

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

ANSWER

EXPLANATION

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