A. Wien’s law
B. Seebeck effect
C. Kirchoff’s law
D. Peltier effect
Advertisement
Related Mcqs:
- Working principle of radiation pyrometer is based on the ________________?
- A. Wien’s law B. Kirchoff’s law C. Stefan-Boltzmann law D. Seebeck effect...
- Working principle of radiation pyrometer is based on the __________________?
- A. Wien’s law B. Kirchoff’s law C. Stefan Boltzmann law D. Seebeck effect...
- Temperature of _____________ cannot be measured by an optical or radiation pyrometer?
- A. Hot blast (air) from stoves B. Molten slag flowing out of blast furnace C. Combustion space in boilers D. Rotary limestone calcination kiln...
- Temperature measurement by optical pyrometer is done above ____________ point, which is 1063°C ?
- A. Antimony B. Gold C. Silver D. Nickel...
- Starting temperature of optical radiation pyrometer is ______________ °C?
- A. 800 B. 400 C. 1200 D. 1500...
- Working principle of mercury in glass thermometer is based on the ______________ of mercury with increase in temperature?
- A. Increase of pressure B. Increase of thermal conductivity C. Volumetric expansion D. Differential linear expansion...
- Working principle of mercury in glass thermometer is based on volumetric expansion of mercury with increase in temperature. Which of the following undergoes minimum volumetric expansion for a given temperature change ?
- A. Water B. Mercury C. Methyl alcohol D. Carbon-tetrachloride...
- Operating range of a temperature measuring instrument is 800 to 1600°C. It could be a/an _____________ pyrometer?
- A. Radiation B. Optical C. Photoelectric D. None of these...
- Accurate temperature measurement performance of a radiation pyrometer cannot be affected, if the ?
- A. Enhancement or attenuation of radiation occurs in the sighting path B. Object and surrounding are at almost the same temperature C. Object has varying emissivity D. Object is transparent...
- Which of the following is not classified as a thermo electric pyrometer ?
- A. Resistance thermometer B. Thermocouple C. Optical pyrometer (disappearing filament type) D. Radiation pyrometer...
Advertisement
