Bissoy.com
Doctors Medicines MCQs Q&A

Bleaching liquors are inorganic pollutants produced mainly by which Industry/Industries? I. Paper and Pulp Industry II. Iron and Steel Industry III. Mining Industry

Bleaching liquors are inorganic pollutants produced mainly by which Industry/Industries? I. Paper and Pulp Industry II. Iron and Steel Industry III. Mining Industry Correct Answer Only I

In the production of white paper, the wood pulp is bleached to remove any colour from the trace amounts of lignin that was not extracted in the chemical pulping process.

Bleaching liquors are inorganic pollutants produced by Paper and pulping industry.

Related Questions

Cellulose fibers are organic pollutant mainly produced by which Industry/Industries? I. Mining Industry II. Soap and detergent Industry III. Paper and Pulp Industry
In a year-end examination, 6 papers-Maths, Physics, Geography, Economics, Chemistry, History- are scheduled on 6 consecutive days of a week (Monday -Saturday). 1. Maths paper is after the Chemistry paper, with a 1-day gap between them. 2. Physics paper is on Monday. 3. Geography paper is not on the last day. 4. History paper, which is scheduled on the previous day of the Maths paper, has a two-day gap with the Physics paper. In the above description, the History paper was cancelled due to incompletion of syllabus and the exam was scheduled for five days (Monday - Friday), with the order of the papers reversed. Which paper was scheduled on Thursday? 
Read the given statements and conclusions carefully and choose which of the conclusions is logical in the context of the given statements. Statements: 1. All files are paper. 2. All paper is pulp. Conclusion: 1. All files are pulp. 2. Some pulp is paper.
In an opencast mine shown in the figure below, the coal has a density of 1.4 t/m3. Assuming mining operation started from plane XY, the operating stripping ratio under the given conditions in m3/t is
Introduction to Mining Engineering mcq question image
In a year-end examination, 6 papers-Maths, Physics, Geography, Economics, Chemistry, History- are scheduled on 6 consecutive days of a week (Monday -Saturday). 1. Maths paper is after the Chemistry paper, with a 1-day gap between them. 2. Physics paper is on Monday. 3. Geography paper is not on the last day. 4. History paper, which is scheduled on the previous day of the Maths paper, has a two-day gap with the Physics paper. Which paper is scheduled on Saturday?
To measure residual lignin prior to bleaching pulp brightness between bleaching stages are often used to control the bleaching operation.
In the following question below are given some statements followed by some conclusions. Taking the given statements to be true even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusion logically follows the given statements. Statements: All paper is newspaper. Some paper is tissue Only few tissues are  paper  boats. Conclusions: I. All paper boats can be tissue. II. No paper is paper boat. III. Some paper is newspaper.
The following characteristic curves (P, Q, R, S) pertain to rotary drilling in rock.
Mining Machinery mcq question image
Title of the curve
I : Torque versus RPM
II: Rate of penetration versus uniaxial compressive strength of rock
III : Rate of penetration versus weight on bit
IV : Specific energy versus weight on bit
Match the curves with their titles
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements. Statements: No plastic is iron. All steel is iron. Conclusions: I. Some plastic is steel. II. Some iron is steel. III. No steel is plastic.
Figure shows a two pulley system for hoisting a load of 10 kN. The coefficient of friction between each pulley and the rope is 0.2. The vertical and horizontal distances between the centers of the pulleys are 25m and 16m respectively. The tensions T1 and T2 respectively in kN are
Mining Machinery mcq question image