Environmental engineering multiple choice questions and answers pdf
71. Activated carbon is used for
a) disinfection
b) removing hardness
c) removing odours
d) removing corrosiveness
Ans:c
72. As compared to cast iron pipes, steel pipes are
a) heavier
b) stronger
c) costlier
d) less susceptible to corrosion
Ans:b
73. The suitable layout of a distribution system for irregularly growing town is
a) dead end system
b) grid iron system
c) radial system
d) ring system
Ans:a
74. The layout of distribution system in which water flows towards the outer periphery is
a) ring system
b) dead end system
c) radial system
d) grid iron system
Ans:c
75. The suitable layout of distribution system for a city with roads of rectangular pattern is
a) grid iron system
b) dead end system
c) ring system
d) radial system
Ans:a
76. The commonly used material for water supply pipes, which has the properties of being strong, not easily corroded and long life but is heavy and brittle is
a) steel
b) cast iron
c) copper
d) reinforced cement concrete
Ans:b
77. Hardy cross method of analysis of distribution system
i) involves successive trials
ii) takes economic aspects into account
iii) is time consuming
The correct answer is
a) only (i)
b) (i)and(ii)
c) (i) and (iii)
d) all are correct
Ans:c
78. The method of analysis of distribution system in which the domestic supply is neglected and fire demand is considered is
a) circle method
b) equivalent pipe method
c) electrical analysis method
d) Hardy cross method
Ans:a
79. Which of the following methods of analysis of water distribution system is most suitable for long and narrow pipe
system ?
a) circle method
b) equivalent pipe method
c) Hardy cross method
d) electrical analysis method
Ans:b
80. The type of valve which is provided to control the flow of water in the distribution system at street corners and where the pipe lines intersect is
a) check valve
b) sluice valve
c) safety valve
d) scour valve
Ans:b
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71. Activated carbon is used for
a) disinfection
b) removing hardness
c) removing odours
d) removing corrosiveness
Ans:c
72. As compared to cast iron pipes, steel pipes are
a) heavier
b) stronger
c) costlier
d) less susceptible to corrosion
Ans:b
73. The suitable layout of a distribution system for irregularly growing town is
a) dead end system
b) grid iron system
c) radial system
d) ring system
Ans:a
74. The layout of distribution system in which water flows towards the outer periphery is
a) ring system
b) dead end system
c) radial system
d) grid iron system
Ans:c
75. The suitable layout of distribution system for a city with roads of rectangular pattern is
a) grid iron system
b) dead end system
c) ring system
d) radial system
Ans:a
76. The commonly used material for water supply pipes, which has the properties of being strong, not easily corroded and long life but is heavy and brittle is
a) steel
b) cast iron
c) copper
d) reinforced cement concrete
Ans:b
77. Hardy cross method of analysis of distribution system
i) involves successive trials
ii) takes economic aspects into account
iii) is time consuming
The correct answer is
a) only (i)
b) (i)and(ii)
c) (i) and (iii)
d) all are correct
Ans:c
78. The method of analysis of distribution system in which the domestic supply is neglected and fire demand is considered is
a) circle method
b) equivalent pipe method
c) electrical analysis method
d) Hardy cross method
Ans:a
79. Which of the following methods of analysis of water distribution system is most suitable for long and narrow pipe
system ?
a) circle method
b) equivalent pipe method
c) Hardy cross method
d) electrical analysis method
Ans:b
80. The type of valve which is provided to control the flow of water in the distribution system at street corners and where the pipe lines intersect is
a) check valve
b) sluice valve
c) safety valve
d) scour valve
Ans:b
Read More Environmental Engineering Questions & Answers
Part1 Part2 Part3 Part4 Part5 Part6 Part7 Part8 Part9 Part10
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