GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER-VII (NEW) EXAMINATION - WINTER 2020
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Subject Code:2173513 Date:28/01/2021Subject Name:Newer waste water treatment systems
Time:10:30 AM TO 12:30 PM Total Marks: 56
Instructions:
- Attempt any FOUR questions out of EIGHT questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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MARKS
Q.1 (a) Describe Microfiltration. 03
(b) Describe four steps of Anaerobic Process. 04
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(c) Explain Hydrogen Peroxide/UV process to generate Hydroxyl Radical 07Q.2 (a) Describe jar test for describing the dose of coagulant. 03
(b) Explain Electro dialysis. 04
(c) Describe Application of Ion Exchange for removal of Total Dissolved Solids. 07
Q.3 (a) Define coagulation, flocculation and filtration. 03
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(b) Define sewer, invert, garbage and sewerage. 04(c) Explain in details all the three methods of Equalization Tank. 07
Q.4 (a) Describe Imponded reservoir and Infiltration galleries. 03
(b) Describe unit operations. 04
(c) Explain in detail Neutralization Tank. 07
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Q.5 (a) Describe curb inlets. 03
(b) Describe Vortex grit chamber. 04
(c) Explain in detail different types of disinfectants used for wastewater treatment. 07
Q.6 (a) Describe Need of Advanced wastewater Treatment. 03
(b) Explain classification of screens. 04
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(c) Explain philosophy of wastewater treatment. 07Q.7 (a) Explain functions of Primary Sedimentation Tank. 03
(b) Describe filter operation. 04
(c) Explain in detail adsorption for treatment of wastewater. 07
Q.8 (a) Describe gutter inlets. 03
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(b) Describe secondary treatment with flow chart. 04(c) Describe circular sedimentation tank. 07
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