Download DBATU B-Tech 1st Year 2018 May Engineering Chemistry 2 Question Paper

Download DBATU (Dr. Babasaheb Ambedkar Technological University) B.Tech First Year 2018 May Engineering Chemistry 2 Question Paper

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DR. BABASAHEB AMBEDKAR TECHNOLOGICAL UNIVERSITY
LONERE? RAIGAD- 402 103 ? ?
End Semester Examination, May 2018
Branch: B. Tech ? 1 j A I V Semester: II 1 _
Subject with Subject Code: Engineering Chemistry [CHM203JC . 1;. ? ?Mark'sz?gfilj , _ ' .,
Date: 18/05/2018 , \ g . 1 ? Time: 3111s.
Instructions to the Students:
1.Each question carries 12 marks.
2 Attempt any ?ve questions of the following._
3.111ustrate your answers with neat sketches, diag1a1n etc.,Wheleve1 116065321131.
4. If some part or parameter is noticed to be missing,- yo?.u 111ay appropriately assume it and should
mention it clearly
Q. 1 Attempt Any Two questions of the foiiowmg '
a) Explain Zeolite process of softening Qf Wa1e1. With its a_1dvan1ages and disadvantages. 06
b) What are the types of water and explam methods to removetemporary hardhess? 06
1:) Write note on: Dissolved Oxygen
Q. 2. a) State Phase rule equatiQn ExpiaIn the: term Phas? Involved in 11 with examples. 06
b) Explain areas, curves tripie 1101111; and metastable cUrve? .Qf. water syst?m with phase diagram. 06
Q3. a) Explain any twp phySIcaI -1nethods Qf. concentratlons of ore. 06
b) What Is SmeitIng? Explam the pchess Qf Isolatlon of metals b?y Pyrolysis. 06
Q4. Attempt Any TWQ questlons of1hefoilow1ng
06
a) What are 1he types Qf fuels and characteristics of gQQd erI?
b) DescrIbe the prQCess- of determination 01% of C, H and N in the coal. 06
* n yQ'u diffErentiate the. Thick film and Extreme pressure lubrication with examples? 06
Q5. ?3) What IS Fermentatlon? Discgss how lnve1tage and Zymase brings the conversion of
cane sugar .10 Ethyl alcohol. 06
' 1 b) Explain syn1hesis, p-hysicai? ?chemical pererties and uses of Naphthalene. 06
* Q6 Attempt Any TWQ questiQns of 1he foileing
. ' a?)IWha1 are the types of indicators? Explain Quinonoid theory of Acid Base Indicator. 06
b) W1ite th? on: Conductom?tric Titrations. 06
06
I '1? > ?c) ExplaIn in detail Debye- Huckei theory of Strong electrolyte.