A.Optical pyrometers
B.Ddisappearing filament type pyrometers
C.Polarising pyrometers
D.Total radiation pyrometers
E.Multicolour pyrometers
Related Mcqs:
- Which of the following is not a non-contact type thermometer?
- An optical pyrometer works on the principle of
- The rate of radiant energy, which is emitted by a surface at any temperature and in small wavelengths is found from the known rate of energy, which under the same conditions would be emitted from a black surface, by multiplying with the absorptivity. Above enunciation is known as
- A blockbody absorbs all of the incident radiation. It also
- For for measurement of temperature in cryogenic range the thermometers used are
- The total radiant energy emitted by a plane surface per unit area and unit time is called
- The rate of radiant energy, which is emitted by a surface at any temperature and in small wavelength is found from the known rate of energy, which under the same condition would be emitted from a black surface by multiplying with the absorptivity. Above enunciation is known as
- If the amount of radiant energy received per unit area per second from the sun is measured at the Earth, Mars and Jupiter it will be
- The radiant energy of the sun is transmitted in the form of:
- How much radiant energy will an object emit if its temperature is at absolute zero ?