#PSI#PC#FDA#
https://youtu.be/htOIO3HQKhY
https://youtu.be/fvCas_6niuA
1. What is the #SI unit of temperature#
a) #Kelvin#
b) Celsius
c) Centigrade
d) Fahrenheit
2. Light year is related to
a) Energy
b) Distance
c) Speed
d) Intensity
3. Optical fibers works on the principle of
a) Reflection
b) Refraction
c) #Total Internal Reflection#
d) Dispersion
4. #Galvanization# of iron sheets have a coating of
a) Tin
b) Lead
c) Zinc
d) Chromium
5. Which of the #odorous chemical used in LPG#?
a) Methyl Mercaptan
b) Propane
c) Butene
d) Ethyl Mercaptan
Current unitKelvinTroposphere
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