Which of the following is a 'contact' pyrometer ?
Correct answer: A. Resistance pyrometer
- A. Resistance pyrometer
- B. Optical pyrometer
- C. Radiation pyrometer
- D. Infra red pyrometer
Explanation
A resistance pyrometer is a contact instrument because its sensing element must be placed in contact with the body whose temperature is measured. Optical, radiation and infrared pyrometers measure emitted radiation without contact.
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