7000+ Metallurgical Analysis MCQ Questions and Answers - 2

Question: 6

Organic sulphur present in coal is found out by

(A) Kjeldahl method

(B) Deducting the inorganic sulphur from total sulphur

(C) Bomb calorimeter

(D) Eschka process

Question: 7

Which of the following sulphur compounds present in coal that cannot be reduced by washing of coal, is not determined directly?

(A) Total sulphur

(B) Sulphate sulphur

(C) Organic sulphur

(D) Pyritic sulphur

Question: 8

Fuel gas and flue gas samples are most conveniently collected in a

(A) Football bladder

(B) Test tube

(C) Glass tube

(D) Plastic bottle

Question: 9

Bomb calorimeter is used for determining the _____ sulphur of coal.

(A) Organic

(B) Total

(C) Sulphate

(D) Pyritic

Question: 10

Samples for the analysis of solid metallic scrap and alloys are normally taken by

(A) Coning and quartering

(B) Cutting

(C) Drilling

(D) Grinding