A.Upto 100?C
B.100 – 250?C
C.250 – 500?C
D.Above 500?C
E.Below 100?C
Related Mcqs:
- Radiation pyrometer works on the principle of___________?
- Which of the following can be used as a method of protecting an orchard from damaging low temperatures during a radiation inversion?
- The term cleavage refers to:
- Two large closely spaced concentric spheres (both of which are perfect black body radiators) are maintained at temperatures of 127?C and 27?C respectively. The space in between the two spheres is evacuated. Taking Stefan Boltzmann constant as 5.67 x 108 watt m2K the rate of radiation in watts per sq. m between the two spheres is approximately
- Sub-tropical pine forest depict:
- The earth’s radiation is often referred to as ___________ radiation, while the sun’s radiation is often referred to as ____________ radiation.
- An optical pyrometer works on the principle of
- The diffuse radiation may be assumed to be equivalent to beam radiation coming at an angle of incidence of
- Pyrometer which react to all wavelengths of incident radiant energy are known as
- The principle on which a disappearing filamment type pyrometer works is known as
