Mechanical Measurement and Metrology (3141901) MCQs

MCQs of Measurement Systems and Basic Concepts of Measurement Methods

Showing 1 to 10 out of 46 Questions
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1.
The largest change in the measured variable which produces no instrument response is known as
(a) threshold
(b) dynamic error
(c) dead zone
(d) none of these
Answer:

Option (c)

2.
The ratio of the output to input change for a given measuring system is referred to as
(a) sensitivity
(b) linearity
(c) stability
(d) none of these
Answer:

Option (a)

3.
The Conformity of the output to the true value of the measurement is called
(a) precision
(b) accuracy
(c) sensitivity
(d) none of these.
Answer:

Option (b)

4.
The resolution of a system refers to
(a) smallest change in the measured that can be measured
(b) true value of the input
(c) retardation of the response
(d) none of these
Answer:

Option (a)

5.
The least change of the measured variable which can be detected at the output of the measuring system is
(a) least count
(b) sensitivity
(c) discrimination
(d) any of these
Answer:

Option (c)

6.
State which of the following describes the linearity of instrument
(a) range of inaccuracy which can be tolerated
(b) largest change in the measured value which produces no instrument response
(c) relationship between output and the input
(d) one of these
Answer:

Option (c)

7.
In measurement systems. which of the following are undesirable static characteristic
(a) sensitivity and accuracy
(b) drift, static error and dead zone
(c) reproducibility and non-linearity
(d) drift, static error, dead zone and non-linearity
Answer:

Option (d)

8.
Environmental errors may be due to changes in
(a) Pressure and temperature
(b) wind velocity and gravity
(c) humidity
(d) any of these parameters
Answer:

Option (d)

9.
The dead time of an instrument refers to
(a) large change of input quantity for which there is not output
(b) the time encountered when the instrument has to wait for some reactions to take place
(c) the time before the instrument begins to respond after the quantity has altered
(d) retardation or delay in the response of an instrument to a change in the input signal
Answer:

Option (c)

10.
Precision is the
(a) closeness of the instrument output to true value of the measured quantity
(b) ratio of difference between measured value and the true value of the measurand
(c) smallest increment in measurand that can be detected with certainty by the instrument
(d) degree of repeatability of several independent measurements of the desired input at the same reference conditions
Answer:

Option (d)

Showing 1 to 10 out of 46 Questions
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