Dissolved Oxygen Analyser Online Exam Quiz
Dissolved Oxygen Analyser GK Quiz. Question and Answers related to Dissolved Oxygen Analyser. MCQ (Multiple Choice Questions with answers about Dissolved Oxygen Analyser
In dissolved oxygen analyser, normally more than one condenser is used.
Options
A : TRUE
B : FALSE
C : -
D : -
In dissolved oxygen analyser, the electrometer consists of which of the following solutions?
Options
A : Calcium hydroxide solution
B : Magnesium hydroxide solution
C : Potassium hydroxide solution
D : Calcium oxide solution
In the conductometric method, the difference in gas conductivity before and after passing sample gas denotes which of the following?
Options
A : Efficiency of the cell
B : Quantity of reagent
C : Concentration of gas
D : Density of the reagent
Oxygen content can be controlled by adding which of the following materials with water?
Options
A : Acidic solution
B : Basic solution
C : Iodine
D : Hydrazine
Polarographic cells type of electrochemical method uses which of the following concepts?
Options
A : Cyclic reactions
B : Exothermic reactions
C : Reversible reactions
D : Redox reactions
The dissolved oxygen analyser is based on which of the following meters?
Options
A : Amperometer
B : Katharometer
C : pH meter
D : Voltmeter
Which of the following bridges are used in dissolved oxygen analyser?
Options
A : Kelvin's bridge
B : Wheatstone bridge
C : Schering's bridge
D : Anderson's bridge
Which of the following is not true about the galvanic method of oxygen analysis?
Options
A : Electrodes are composed of noble and base metals
B : It can measure dissolved content of oxygen
C : Its principle is based on electrolysis
D : It utilizes an electronic cell
Which of the following is true about Hersch cell which is one of the arrangements of a galvanic cell?
Options
A : Cell is spherical in shape
B : Cathode is made of porous material
C : Cathode is placed centrally
D : Cathode is formed by gauze which surrounds the anode
Which of the following methods, is the widely used method for trace gas analysis?
Options
A : Galvanic methods
B : Conductometric method
C : Polarographic cells
D : Thermal conductivity method
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