Dr.Ramkishor "UPADHYAY SIR" डॉ.रामकिशोर उपाध्याय

Engineering Chemistry Viva Questions For prectial Exam UPADHYAY SIR (VITM-GWL) DEPT. OF ENGG.CHEMISTRY What do you mean by   titraton ? What do you mean bya acid and base ?   What is Hard water ?   What are the main units of hardness?   How is hardness of water caused? How is temporary hardness be removed? How do you express the total hardness of water?   What is EDTA?   Write the structural formula for EDTA. Why is disodium salt of EDTA preferred to EDTA? Why is Ammonia solution added while preparing EDTA solution?   What is buffer solution?   Why is ammonia-ammonium chloride buffer added? Why is the indicator Eriochrome Black(EBT) shows wine red color at the beginning and blue color at the end? Why are the titration involving EDTA carried out slowly towards the end point?   What is the application of hardness date in environmental engineering practice? What are the constituents of cements?   What is the prime constituents of cement? What do you mean by by alkalinity ?

UPADHYAYSIR –VITM GWALIOR RAM KISHOR HOD-DEPT. OF ENGG.CHEMISTRY                   BE-101 , IMP. QUESTIONS VITM –GWL.MP UNIT-1 WATER TREATEMENT QUS.-1 What do you mean by Hard water? Explain main types of hardness. OR      Define carbonated and non-carbonated Hardness of water. QUS.- 2 Distinguish between hard water and soft water. QUS.-3 Define sludge and scale with three advantages. What is the difference     between them? QUS.-4 Write short notes on:- 1)   Ion exchange process 2)   Phosphate conditioning 3)   Carbonate conditioning 4)   Boiler corrosion QUS.-5 Explain various units of hardness and show their relation also. QUS.-6 What is boiler corrosion? State its significant. QUS.-7 Give details of zeolite process of softening of hard water. QUS.-8 Explain lime-soda process with types and reactions. QUS.-9 What do you mean by caustic embrittlement? How can this be prevented? QUS.-10 Numericals from book and VITM   CLASS-NOTES-Upadhyaysir