Radiation thermometer cannot measure the temperature ___________________?
Correct answer: C. Of liquid oxygen
- A. Inside a pressure vessel
- B. Of an object without coming in contact with it
- C. Of liquid oxygen
- D. Of moving objects at high temperature
Explanation
Liquid oxygen is comparatively transparent to the radiation used by ordinary radiation thermometers, so the instrument may detect radiation from the container rather than the liquid itself. Radiation thermometers are otherwise useful for noncontact measurement of moving or very hot objects.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
Practise Process Control and Instrumentation
254 free Process Control and Instrumentation MCQs from Chemical Engineering, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Chemical Engineering questions like this
Chemical Engineering is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
More Process Control and Instrumentation questions
The transfer function for an ideal proportional plus reset controller (reset time T) is_______________?
A pyranometer is an instrument used for measuring the___________________?
Thermistors are made of__________________?
Which of the following thermocouples has the least temperature measurement range ?
Platinum resistance thermometer can be used upto antimony point which is ____________ °C, and is the temperature of equilibrium between solid antimony & liquid antimony at normal atmospheric pressure?
Temperature of _____________ cannot be measured by an optical or radiation pyrometer?