Technician A says that the best method of measuring the temperature of a liquid is to use a thermocouple pyrometer. Technician B says that the best method of measuring the temperature of a liquid is to use an infrared thermometer. Who is correct?
A) A only
B) B only
C) Both A & B
D) Neither A nor B
Answer (2)
The correct answer is C) Both A & B, as both the thermocouple pyrometer and infrared thermometer have advantages for measuring the temperature of liquids, depending on the specific requirements of the situation. Each method is valid for different contexts of temperature measurement. Thus, both technicians are correct.
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Technician A and Technician B are each proposing different tools for measuring the temperature of a liquid, and both have merits depending on the specific context in which you are measuring.
Thermocouple Pyrometer (Technician A) : A thermocouple is a sensor used to measure temperature. It consists of two wire legs made from different metals joined at one end. When the junction of the two metals is heated or cooled, a voltage is created that can be correlated back to the temperature. Thermocouples are widely used because they are relatively inexpensive, very precise, and can measure a wide range of temperatures. They are especially useful in industrial environments where the temperature of a liquid needs to be monitored continuously.
Infrared Thermometer (Technician B) : An infrared (IR) thermometer measures temperature from a distance by detecting the infrared energy emitted by the liquid and converting it into a temperature reading. These devices are useful for quick, non-contact measurements and are very handy in scenarios where it might be dangerous or impractical to insert a probe directly into the liquid.
Conclusion :
If precision and continuous monitoring are required, especially in a controlled or industrial environment, a thermocouple might be preferred.
For quick checks, especially when contact measurements are impractical, an infrared thermometer could be highly useful.
Therefore, both technicians have valid points, and the best method depends on the specific requirements of the temperature measurement.
The correct choice is option C) Both A & B .
