7000+ Metallurgical Analysis MCQ Questions and Answers - 1
Question: 1
Ammonia present in coke oven gas is determined by passing its measured volume through the standard solution of
(A) Nitric acid and then weighing the precipitate
(B) Hydrochloric acid and then weighing the precipitate
(C) Sulphuric acid and then titrating it with alkali
(D) None of these
Ans: C
Sulphuric acid and then titrating it with alkali
Question: 2
Temperature used in the determination of volatile matter of coal is _____ °C.
(A) 750
(B) 850
(C) 950
(D) 1050
Ans: C
950
Question: 3
Potassium hydroxide solution used as an absorbent in orsat apparatus is capable of absorbing
(A) H2S
(B) SO2
(C) CO2
(D) All a, b and c
Ans: D
All a, b and c
Question: 4
Fixed carbon of coal during its proximate analysis is determined by
(A) Subtracting the sum of percentage of volatile matter and ash of dry coal from 100
(B) Complete combustion of coal in oxygen
(C) Eschka process
(D) Kjeldahl process
Ans: A
Subtracting the sum of percentage of volatile matter and ash of dry coal from 100
Question: 5
Dean and stark apparatus is used in the determination of ____ content in liquid fuels.
(A) Ash
(B) Moisture
(C) Sulphur
(D) Sediment
Ans: B
Moisture
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