Related Questions

Which is an example for sedimentary biogeochemical cycle
A Oxygen cycle
B Nitrogen cycle
C Water cycle
D Phosphorus cycle
In the gaseous diffusion process of uranium enrichment, the natural uranium is converted into gaseous
A Uranium oxide
B Uranium hexaflouride
C Uranium carbide
D Uranium sulphate
Which one is the most reactive gaseous element?
A Chlorine
B Bromine
C Iodine
D Flourine
Which one can be directly solidified from gaseous state wihtout entering into liquid state?
A Helium
B Oxygen
C Carbon dioxide
D None of these
Which of the following is not a gaseous air pollutant?
A Ozone
B Fumes
C Hydrogen sulphide
D Carbon
In which of the following gaseous phase reversible reactions, the product yield can not be increased by the application of high pressure?
A N2 + O2 ⇋ 2NO
B PCl3 + Cl2 ⇋ PCl5
C N + 3H2 ⇋ 2NH3
D 2SO2 + O2 ⇋ 2SO3
Which of the following processes is not an example of adsorption applied to gaseous separations?
A Recovery of valuable solvent vapors from dilute mixture with air and other gases
B Dehumidification of air and gas
C Removal of objectionable odour and impurities from industrial gases
D Decolouration of yellow glycerene
The presence of solid, liquid or gaseous compounds, which may not be normally present, or in excess concentration in the atmosphere is called
A air pollution
B water pollution
C soil pollution
D radioactive pollution
Presence of __________ in a dry gaseous fuel does not contribute to its calorific value.
A Sulphur
B Oxygen
C Hydrogen
D Carbon
Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle
A Heat rejection is lower
B Expansion and compression are isentropic
C Combustion is at constant volume
D Maximum temperature is higher

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