Download DBATU B.Tech 2019 Oct-Nov Civil-CE 5th Sem Environmental Engineering Question Paper

Download DBATU (Dr. Babasaheb Ambedkar Technological University) B Tech 2019 Oct-Nov (Bachelor of Technology) Civil-CE 5th Sem Environmental Engineering Question Paper

Course: B. Tech in Civil Engineering A ? A Sem: V_ 1551;; DATE
DR. BABASAHEB AAMBEDKAR TECHNOLOGICAL UNIVERSITY, LONERE
AFORM N0. A
EITEAH/D?
Mid Semester Enmimtion ? SethOctA. 2019 ?1 A . A mzv. NO.
00
15-09-20?
Subject Name: Environmental?Engineering .
Subject Codec' BTCV C 504 A
0.2
Solve Any Two of the t?llowing.
3X2
. (A)
Whnt do you uIAIderstand by treatment of water? WhyAitvis necessary?
Give an outline of various processes adopted for treatment of water ?
with?sketch. v
'A'coz. 3?
(B)
Exlilain di?'erent theory of ?ltrhtion. A
?V-I
c02A3
(C)
C02 A 3
. MaxMarks: 20 - Datez-23/09/2019 A' 'Duration:-1 Hr.
InStruetiomto the Students: . ' A ?
1.
2.
Question 1? Is campulsory. AA
Draw necessary diagram and sketches as and when required.
Explain Break point chlorinatibn in detail with diagram.
AQ_3
Solve Any One ofA the? following.
3.
Assume initable data as end when required.
Q.1A
Solve all the questions.
Level
co 'MarksA A
1. The average quantity of waiter (in lped) required for domestic pnrp0ses
aeeonling to IS code Is
a) 100
b) 120?
c) 70
d) 135
C01 1
- (A)
Estimhte projected population for the year of 2019, and 2022 based on
the IfollowAigg data By using various IIIethods.
A Year A A Population ?
1982 . < ? ? 72000
1992 A 85000
2002 ' 1,10,500
2012 A 1,,44 000
A C01 8
(B)
Design a? Cascede Aerator hsvingA a discharge of 115 MED. Assume
suitable data. A A
C02 .8
2.1dentify the correct relatioIAI between the following?
v a) DissolAved solid= Total solid + Suspended solid
b) Dissolved solid= Total solid? Suspended solid
c) Total solid = Dissol?ed solid / Suspended solid
d) Dksolved soljd= Suspended solid? TotalA solid
.co'z A '1 A
,_ *u End *tk ?
3. Stste whether the following stntement' Is True or False.
Carbonate hnrdnels can he renoned by. adding lime to water.
A a) True
h) False
co: 1
4. Which of the following process is used to remove the colloidal ptlA'tieles
, from water? A
? a) Chemical precipitatiouA
h) Chemical coagulation "
c) Ion exchange ~ ' '
A d) Adsorption
coz ~ 1?
5. In which type of settling, sedimentation ofdiserete particles takes
place?
1) Zone settling
h) Compression settling
. e) Hindei'ed settling
d) Discrete settling
"cm *1
6. The pressure in the distribution mains does not depend on
a) Altitude to supply water
b) Fire ?ghting requirements
0) Availability offunds ? A
pco?s A A1
d) Quality ofwater