0

Instrumentation Transducers Mcqs

Q:

In a measuring system what is the term used to specify a difference between higher and lower calibration values?

A) Range B) Span
C) Drift D) Threshold
 
Answer & Explanation Answer: B) Span

Explanation: Span is the difference between higher and lower calibration values. For an instrument with a range 100 units to 250 units span are 150 units.

View Answer Discuss

266
Q:

During a measurement, for a measure value “B”, absolute error is obtained as “A”, what will be the relative error of measurement?

A) A/B B) B/A
C) (A+1)/B D) (B+A)/A
 
Answer & Explanation Answer: A) A/B

Explanation: Ratio of absolute error to measured value is called relative error. i.e.
Relative error = (Absolute error) / (Measured value).

View Answer Discuss

365
Q:

Accuracy and Precision are dependent on each other.

A) True B) False
 
Answer & Explanation Answer: B) False

Explanation: Accuracy is the closeness of a measured value with a standard value. Precision is the closeness of two or more measured values. Hence they are not dependent with each other.

View Answer Discuss

193
Q:

In a measurement, what is the term used to specify the closeness of two or more measurements?

A) Precision B) Accuracy
C) Fidelity D) Threshold
 
Answer & Explanation Answer: A) Precision

Explanation: Closeness of two or more measurements is termed as precision. For example, if two measurements gives 3.1kg as output, then the measurement is said to be more precise.

View Answer Discuss

444
Q:

In a measuring system quantity under measurement is termed as ________________

A) Measurand B) Controllers
C) Sensors D) Indicators
 
Answer & Explanation Answer: A) Measurand

Explanation: Measurand is the value under consideration in a measuring system. For example, while measuring signal voltage, voltage is the measurand.

View Answer Discuss

387
Q:

Science of precise and accurate measurement of various physical quantities is termed as ___________

A) Metrology B) Meteorology
C) Pedology D) Mineralogy
 
Answer & Explanation Answer: A) Metrology

Explanation: Metrology is the science of measurement. Metrology includes all theoretical aspects of measurement. Meteorology is the branch of study about the atmosphere. Pedology is the branch of study about soil and Mineralogy is a branch of geology specializing in chemistry, chemical structure and physical properties of minerals.

View Answer Discuss

750