Estimation of Nitrogen Oxides Online Exam Quiz
Estimation of Nitrogen Oxides GK Quiz. Question and Answers related to Estimation of Nitrogen Oxides. MCQ (Multiple Choice Questions with answers about Estimation of Nitrogen Oxides
CO laser is operated at liquid nitrogen temperature.
Options
A : TRUE
B : FALSE
C : -
D : -
Gases emit radiation under which of the following conditions which can be used for determination of gases?
Options
A : When mixed with other gases
B : When kept at suitable temperature
C : With sufficient electrical excitation and at suitable pressures
D : When exposed to radiation
In which of the following ways can chemiluminescence occur in compounds of nitrogen?
Options
A : When NO2 returns to ground state from excited state
B : When NO reacts with oxygen
C : When NO reacts with ozone
D : When NO2 is reduced to NO
Sample rates of nitrogen meter can be adjusted by doing which of the following?
Options
A : By modifying the amplifier
B : With the help of the needle valve
C : By modifying the detector
D : By changing chopper frequency
The characteristic emission of which colour, when discharge takes place in a low pressure chamber containing gas sample, will indicate the presence of nitrogen while using photospectrometer?
Options
A : Purple
B : Blue
C : Pink
D : Green
The chemiluminescence reactor with ozonator is specific to which of the following compounds?
Options
A : N2
B : NO
C : NO2
D : N2O
West-Gaeke colorimetric method is used to analyse oxides of nitrogen.
Options
A : TRUE
B : FALSE
C : -
D : -
Which of the following is the normal sampling rate used in nitrogen meters?
Options
A : 13 ml/min
B : 33 ml/min
C : 3 ml/min
D : 43 ml/min
Which of the following is the wavelength at which CO laser operates?
Options
A : 1.005 ?m
B : 5.307 ?m
C : 4.952 ?m
D : 6.179 ?m
Which of the following measuring technique is utilized for measuring nitrogen?
Options
A : By using a method based on gas density
B : By using paramagnetic analyzers
C : By using magnetic wind instruments
D : By using a photospectrometer where a gas sample is analysed and detected with a photocell
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