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gapingthingsUrban and Civil

Nov 15, 2013 (3 years and 6 months ago)

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SATHYABAMA UNIVERSITY

(Established under section 3 of UGC Act,1956)


Course & Branch :B.Tech
-

CHEM

Title of the Paper :Chemical Plant Utilities



Max. Marks:80

Sub. Code :SCHX1027 (2010)





Time : 3 Hours

Date :05/11/2012








Session :FN

_____________________________________________________________________________________________________________________________
__


PART
-

A (10 x 2 = 20)


Answer ALL the Questions

1.

State the sources of water.


2.

What are the methods used for softening of water?


3.

Write the applications of compressed air.


4.

What are the types of lubricants used in vacuum pumps?


5.

List down the

four main process in vapour compression

system.


6.

Define Cryogenics.


7.

Differentiate between humidification and dehumidification.


8.

Write a note on Exhaust Ventilation.


9.

Compare Fire tube and water tube boilers.


10.

Define steam economy.


PART


B



(5 x 12 = 60)

Answer ALL the Questions


11.

(
a) Describe the various water treatment process
.



(8)


(
b) What is meant by hardness of water?



(4)

(or)

12.

Discuss about reuse and conservation of water.



13.

Explain the working principle of a
reciprocating type compressor
with neat sketch in detail.

(or)

14.

Classify different types of vacuum pumps and explain their
performance characteristics.


15.

Discuss in detail the vapour compression refrigeration cycle.

(or)

16.

Explain the process of
production of cryogenic temperatures.


17.

(
a) State the factors affecting air conditioning systems.

(
b) Explain the working principle of natural draft cooling towers
with neat sketch in detail.

(or)

18.

Explain in detail about


(a)
Blowing of air


(b)
Exh
aust ventilation


19.

Describe in detail about steam generation methods and discuss
the uses of staem in process industry elaborately.

(or)

20.

Discuss the issues associated with steam distribution in detail.