Instrumentation and Control Systems

What is the primary function of a Signal Conditioner in an instrumentation system?

• Display measurement results

• Convert physical quantity to electrical signal

• Amplify and filter the signal

• Transmit the signal wirelessly

If an instrument consistently reads 5% higher than the actual value, what type of error is present?

• Random error

• Systematic error

• Instrument drift

• Environmental interference

Which term refers to the degree of closeness of a measurement to its true value?

• Precision

• Resolution

• Accuracy

• Sensitivity

Which parameter does a strain gauge primarily measure?

• Temperature

• Pressure

• Displacement

• Light intensity

What is the primary function of a Display Unit in an instrumentation system?

• Convert physical quantity to electrical signal

• Provide background information

• Display measurement results

• Amplify and filter the signal

When evaluating the performance parameters of an instrumentation system, what is often assessed to ensure reliability?

• Measurement speed

• Measurement range

• Calibration frequency

• Environmental conditions

What is the primary function of a Sensing Element in a measurement system?

• Convert physical quantity to electrical signal

• Display measurement results

• Amplify the signal

• Transmit the signal wirelessly

What is the purpose of a Timer/Counter in an instrumentation system?

• Measure time intervals

• Indicate rapidly changing values

• Display analog signals

• Convert physical quantity to electrical signal

What is the primary role of Final Control Elements in a control system?

• Measure system performance

• Transmit signals

• Regulate the output

• Filter noise

What is the primary purpose of a transducer in the context of sensing elements?

• Convert electrical signal to physical quantity

• Enhance measurement precision

• Condition the signal

• Convert physical quantity to electrical signal