Pyrometers (Leaving Cert Engineering): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is a pyrometer used to measure?
What is a pyrometer used to measure?
Extremely high temperatures
Why can't standard thermometers be used in industrial furnaces?
Why can't standard thermometers be used in industrial furnaces?
They cannot withstand extreme conditions
What principle does a thermocouple pyrometer operate on?
What principle does a thermocouple pyrometer operate on?
Electrical conductivity
What happens to electrons when metals are heated?
What happens to electrons when metals are heated?
They become more active and flow easily
Why does a thermocouple pyrometer use two dissimilar wires?
Why does a thermocouple pyrometer use two dissimilar wires?
They conduct electricity at different rates
What is the purpose of the heat-resistant probe?
What is the purpose of the heat-resistant probe?
Inserted into furnace to sense temperature
What type of instrument displays the temperature reading?
What type of instrument displays the temperature reading?
Voltmeter or digital display
What creates the voltage difference in a thermocouple pyrometer?
What creates the voltage difference in a thermocouple pyrometer?
Current flows easier through one wire
How does voltage relate to temperature in a thermocouple pyrometer?
How does voltage relate to temperature in a thermocouple pyrometer?
Voltage is proportional to temperature
What safety advantage do thermocouple pyrometers offer?
What safety advantage do thermocouple pyrometers offer?
Measurement without direct heat exposure
What advantage relates to response time?
What advantage relates to response time?
Responds rapidly to temperature changes
In which industry are thermocouple pyrometers commonly used?
In which industry are thermocouple pyrometers commonly used?
Steel manufacturing