Maharashtra State Board of Technical Education 2012-6th Sem Diploma Chemical Engineering for Subject Environmental Technology(12298) - Question Paper
MSBTE Sample ques. Paper for Chemical Engineering
Sixth Semester
Subject Environmental Technology(12298)
Scheme - E Sample Question Paper Course Name : Diploma in Chemical Engineering Course Code : C'H Semester : Sixth
Subject Title : Environmental Technology Max. Marks : 100
12298
Time: 3 Hrs.
Instructions:
1) All the questions are compulsory.
2) Figures to the right indicate full marks.
3) Assume suitable additional data if necessary.
Q.1A) Attempt any THREE of the following:
12 Marks
a. Name eight air pollutants.
b. State the role of Maharashtra pollution control board.
c. Give any four examples of solid waste collection methods.
d. Draw labeled sketch of trickling filter and give its function.
Q.1B) Attempt any ONE of the following:
06 Marks
a. Describe working of sludge digester treatment for sludge management.
b. Which pnnciple is applied for stabilization of ecosystem?
Q.2 Attempt any TWO of the following: 16 Marks
a. Give application and working of cyclone separator with diagram and example of industry where it is used.
b. Summarize river and sea pollution with its bad effect on human being.
c. Explain with example reuse, recycle and recovery method for waste disposal.
Q.3 Attempt any FOUR of the following:
16 Marks
a. Describe procedure for environmental Audit.
b. State preluninary treatment for wraste water .
c. List the factors affecting generation rates of municipal waste.
d. Identify the constituents responsible for thermal water pollution and give any three example of industries.
e. Explain pollution control by using electrostatic precipitator as pollution control equipment.
Q.4 A) Attempt any THREE of the following: 12 Marks
a. Show by using flow' diagram removal of activated sludge from waste water.
b. Explain need of ISO 14001 for industry.
c. Illustrate the precautions to be taken wrhile making disposal of medical wraste with example.
d. Clarify role of BOD and COD in w:ater pollution.
Q.4B) Attempt any ONE of the following: 06 Marks
a. Estimate business benefits of ISO 14000.
b. Illustrate the importance of dewatering of sludge ui sludge management.
Q.5) Attempt any TWO of the following: 16 Marks
a. Identify effect of particulate matter on human health, animal and material.
b. Point out any two methods for collection of solid wraste from house to house collection with diagram.
c. Explain primary treatment for waste wrater.
Q.6) Attempt any FOUR of the following: 16 Marks
a. State different phases of audit.
b. Draw flow' diagram for types of wrastes.
c. List out any eight manmade sources of air pollution.
d. Give any four physical characteristics of polluted water and its sources.
e. Describe typical composition of domestic waste wrater.
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