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Instrumentation and Control: Introduction and Basic Concepts

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Instrumentation and Control: Introduction and Basic Concepts

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Questions and Answers

What is the primary factor that can reduce instrument errors?

Electrostatic fields

High temperature

Parallax error

Friction in the bearings (correct)

Which type of error is introduced by environmental conditions like high humidity?

Observational errors

Systematic errors

Instrument errors (correct)

Random errors

In electronic instruments, what does the transducer perform?

Measurement analysis

Indicating Device

Signal Modifier

Conversion of input to electrical signals (correct)

What is the main characteristic of random errors?

Accumulation of small effects Signup and view all the answers

Which type of error is related to the observer's reading accuracy?

Observational errors Signup and view all the answers

What is the primary purpose of instrumentation according to the text?

To measure the amount, degree or capacity of a quantity or variable Signup and view all the answers

Which of the following is NOT mentioned as a basic function of instrumentation?

Analyzing Signup and view all the answers

How does electronic instrumentation improve measurement performance according to the text?

It increases the input impedance, reducing loading effects Signup and view all the answers

What is the purpose of performance characteristics in instrumentation according to the text?

To allow users to select the most suitable instrument for a specific measuring job Signup and view all the answers

Which of the following is NOT mentioned as an advantage of using electronic instrumentation?

Improves the accuracy of the measurement Signup and view all the answers

What is the definition of an instrument?

A device for determining the value or magnitude of a quantity or variable Signup and view all the answers

What should you do before using an unfamiliar instrument?

Read the operating and instructions manual Signup and view all the answers

Which factor primarily determines the cost of an instrument?

Accuracy and resolution Signup and view all the answers

Before connecting an instrument to a circuit, what should you check?

All of the above Signup and view all the answers

If you are unsure about the proper range setting, what should you do?

Set it to the highest range Signup and view all the answers

What should you ensure when replacing the battery in an instrument?

Use the proper replacement battery specified Signup and view all the answers

Which statement about instrument selection is true?

Select an instrument based on the required degree of accuracy Signup and view all the answers