30 Questions
What is the primary function of a sensor?
To receive and respond to a stimulus
What is the quantity, property, or condition that is received and converted into an electrical signal?
Stimulus
What type of sensor is used to measure pressure, force, and airflow?
Pressure sensors
What is the device that receives a stimulus and responds with an electrical signal?
Sensor
What is the role of a translator in instrumentation?
To convert the stimulus into an electrical signal
What is the purpose of instrumentation?
To measure physical parameters
What is the term for the pressure exerted against a surface by the weight of the air above that surface?
Atmospheric pressure
What type of pressure is measured relative to atmospheric pressure?
Gauge pressure
What is the opposite of vacuum pressure?
Atmospheric pressure
Which of the following is not a type of pressure?
Absolute zero
What is the term for the pressure measured with respect to a perfect vacuum?
Absolute pressure
What is the difference between gauge pressure and absolute pressure?
Gauge pressure is measured relative to atmospheric pressure, while absolute pressure is measured with respect to a perfect vacuum.
What is the typical size of a sensor chip?
2 mm × 2 mm
What type of pressure sensor provides a pressure measurement relative to a reference of zero pressure?
Absolute pressure sensor
What is the reference pressure for absolute pressure sensors?
Zero pressure, as close as possible to a vacuum
What type of pressure sensor measures the difference in pressure between two points in a system?
Differential pressure sensor
What is the reference point for gauge pressure sensors?
Local atmospheric pressure
What type of material is used to make monolithic sensors?
Single-crystal Silicon
What is the purpose of using sealed pressure sensors?
To measure pressure relative to atmospheric pressure
What does the sensor type specification of a pressure sensor reflect?
The pressure type for which the sensor is designed to operate
What happens if the maximum pressure of a pressure sensor is exceeded?
The sensor will fail or provide inaccurate signal output
What is the full scale of a pressure sensor?
The difference between the maximum pressure and zero pressure
What is the operating pressure range of a pressure sensor?
The range of pressures over which the sensor can operate and generate a signal output
What does the output type specification of a pressure sensor describe?
The general nature of the output signal characteristics
What type of pressure is below atmospheric pressure?
Vacuum pressure
What is the term for the pressure above absolute zero?
Absolute pressure
What is the difference in pressure between two points called?
Differential pressure
What technology is commonly used in fabricating pressure, force, and airflow sensors?
Silicon-processing technology
What is another name for vacuum pressure?
Negative gauge pressure
How many technologies are mentioned in the text for fabricating pressure, force, and airflow sensors?
5
Test your knowledge of instrumentation and sensors, including their definitions and functions. Learn about the role of stimuli and responses in instrumentation. Prepare for your ECE Elective 1 exam with this quiz!
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