Electrical Measurement & Instrumentation: Chapter-One Outline

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Questions and Answers

What is the primary focus of instrumentation?

  • Quantifying variables numerically (correct)
  • Expressing variables artistically
  • Controlling variables physically
  • Recording variables emotionally

Which of the following is NOT a purpose of measurement as mentioned in the text?

  • Expressing variables artistically (correct)
  • Controlling processes and operations
  • Experimental engineering analysis
  • Monitoring

What does a measuring instrument do?

  • Creates new physical phenomena
  • Determines the value of quantity or physical phenomena (correct)
  • Negates the existence of physical phenomena
  • Transforms physical phenomena into emotions

What is an example of a performance characteristic of a measuring device?

<p>Static characteristics (D)</p> Signup and view all the answers

In the context of instrumentation, what is the purpose of control?

<p>To regulate or manage processes and operations (C)</p> Signup and view all the answers

What does the field of instrumentation primarily deal with?

<p>The analysis and design of systems for measurement purposes (D)</p> Signup and view all the answers

In the context of instrumentation, which system uses centimeter, gram, and second as its units?

<p>CGS system (B)</p> Signup and view all the answers

What is the physical embodiment of a unit of measurement called?

<p>Standard (C)</p> Signup and view all the answers

Which type of measurement standard is internationally accepted?

<p>International standard (A)</p> Signup and view all the answers

What is the process of measuring an electrical or physical phenomenon such as voltage, current, temperature, pressure, or sound with a computer called?

<p>Data acquisition (A)</p> Signup and view all the answers

Which type of measuring instrument is a pressure gauge?

<p>Passive instrument (B)</p> Signup and view all the answers

What type of instruments are very reliable for static and stable conditions but unable to respond rapidly to the measurement of dynamic and transient conditions?

<p>Mechanical instruments (A)</p> Signup and view all the answers

In the MKS system, what are the fundamental units?

<p>(meter, kilogram, second) (A)</p> Signup and view all the answers

What is the input variable in a measurement system?

<p>(true value, real input) (C)</p> Signup and view all the answers

Measurement is the process of qualifying input quantity/physical phenomena.

<p>True (A)</p> Signup and view all the answers

Performance characteristics of a measuring device include both static and dynamic characteristics.

<p>True (A)</p> Signup and view all the answers

The purpose of measurement does not include experimental engineering analysis.

<p>False (B)</p> Signup and view all the answers

Instrumentation primarily deals with the analysis and design of systems for measurement purposes.

<p>True (A)</p> Signup and view all the answers

A measuring instrument is a device that modifies the value of a quantity or physical phenomenon.

<p>False (B)</p> Signup and view all the answers

The purpose of control in instrumentation is to monitor processes and operations.

<p>False (B)</p> Signup and view all the answers

Passive instruments are more suitable for dynamic and transient conditions than active instruments.

<p>False (B)</p> Signup and view all the answers

The MKSA system uses meter, kilogram, second, and ampere as its units.

<p>True (A)</p> Signup and view all the answers

Data acquisition is the process of measuring an electrical or physical phenomenon using a computer.

<p>True (A)</p> Signup and view all the answers

Mechanical instruments are reliable for both static and stable conditions as well as dynamic and transient conditions.

<p>False (B)</p> Signup and view all the answers

There are four types of standards of measurement: international, primary, secondary, and tertiary.

<p>False (B)</p> Signup and view all the answers

The input variable in a measurement system is a real physical quantity or variable from various disciplines.

<p>True (A)</p> Signup and view all the answers

The FPS system uses foot, pound, and second as its units.

<p>True (A)</p> Signup and view all the answers

There are five fundamental units in the SI system of units.

<p>False (B)</p> Signup and view all the answers

Active instruments are exemplified by a pressure gauge.

<p>False (B)</p> Signup and view all the answers

The purpose of measurement in the context of instrumentation is primarily for control and regulation.

<p>False (B)</p> Signup and view all the answers

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