18 Questions
What is the most important characteristic of a temperature sensor that is used to measure the temperature of a critical industrial process?
Accuracy
Which of the following analog sensors is NOT commonly used to measure temperature?
Hall Effect Sensor
What is the primary advantage of using a platinum RTD (Resistance Temperature Device) over other temperature sensor types?
Linearity of output
Which of the following temperature sensors has the highest maximum operating temperature?
Thermocouple
What is the primary disadvantage of using a thermistor as a temperature sensor?
Non-linear output
Which temperature sensor type is most commonly used for general-purpose temperature measurement applications?
Thermocouple
What is the primary advantage of using a semiconductor temperature sensor over other types?
High sensitivity
Which temperature sensor type is most suitable for applications that require very high precision and interchangeability?
RTD
What is the primary reason for the non-linear output of semiconductor temperature sensors?
Variation in the reverse bias current across the P-N junction
What is a key advantage of a thermistor?
It exhibits a linear output with increasing temperature.
Which of the following statements about strain gauges is correct?
They are sensitive to force and require temperature compensation.
What is the principle of operation for a Linear Variable Displacement Transformer (LVDT)?
It uses a movable core that passes through the center of a transformer with three windings.
How do resolvers work for rotary position sensing?
They have two stationary windings that are 90 degrees out of phase, and the rotor winding phase is proportional to the angle of the rotor.
Which of the following is NOT a consideration for sensor installation?
Positioning the sensor vertically for optimal performance.
What are the two common types of analog signals mentioned in the text?
Voltage (V) and Current (I)
What is the purpose of an analog input interface module?
To convert analog signals to digital signals for processing by a computer or controller.
Which of the following statements about analog signals is correct?
Voltage signals are typically used for long-distance transmission.
What is the purpose of shielding sensor wiring?
To reduce the effects of electrical noise on the sensor signal.
This quiz covers the use of analog sensors to measure various physical quantities such as distance, speed, temperature, pressure, and force. It also explores key measurement characteristics including accuracy, resolution, repeatability, and precision in energy system engineering.
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