Engineering Chemistry

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Q1) a) Describe Deionisation method of water softening with ion - exchange and regeneration reactions. [5] b) Explain the causes and give preventive measures of caustic embrittlement in boilers. [4] c) What is hardness of water? Define temporary and permanent hardness. [3] d) Water sample is not alkaline to phenolphthalein. However, 25 ml of this water s

Oct_2019.pdf-Q1) a) Describe Deionisation method of

Total No. of Questions : 8] [Total No. of Pages : 3 F.E. (Semester - I & II) ENGINEERING CHEMISTRY (2012 Pattern) Time :2 Hours] [Max. Marks :50 Instructions to the students: 1) Answer Q.1 or Q.2, Q.3 or Q.4 or Q.5 or Q.6 and Q.7 or Q.8. 2) Neat diagrams must be drawn wherever necessary. 3) Figures to the right side indicate full marks. 4) Use of lagarithmic table or e

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