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Environmental Engineering MCQ Questions & Answers | Civil Engineering

Learn Environmental Engineering MCQ questions & answers are available for a Civil Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Environmental Engineering MCQ question is the important chapter for a Civil Engineering and GATE students. Page-2 section-1

Each section contains 100 MCQs on Environmental Engineering .
11
The method of analysis of distribution system in which the domestic supply is neglected and fire demand is considered is
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
12
Residual chlorine in water is determined by
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Answer & Solution
Answer: Option C
Solution:
Residual chlorine in water can be determined using both the Starch iodide method and the Orthotolidine method.

The Starch iodide method involves adding a solution of starch and potassium iodide to the water sample containing residual chlorine. The residual chlorine oxidizes iodide ions to iodine, which then reacts with starch to form a blue complex, indicating the presence of residual chlorine.

The Orthotolidine method is another commonly used method for determining residual chlorine in water. In this method, orthotolidine (OT) reacts with residual chlorine to form a yellowish-brown color, which is then quantified spectrophotometrically.

Therefore, Option C: Both (A) and (B) is the correct choice, as both the Starch iodide method and the Orthotolidine method can be used to determine residual chlorine in water.
13
The means of access for inspection and cleaning of sewer line is known as
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Answer & Solution
Answer: Option B
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14
The phenolic compounds in public water supply should not be more than
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Answer & Solution
Answer: Option C
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15
The water carriage system of collection of waste product
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Answer & Solution
Answer: Option B
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16
In chlorination, with the rise in temperature of water, death rate of bacteria
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Answer & Solution
Answer: Option A
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17
The characteristics of fresh and septic sewage respectively are
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Answer: Option B
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18
An egg shaped section of sewer
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Answer & Solution
Answer: Option B
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19
Most suitable section of sewer in separate sewage system is
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Answer: Option B
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20
A sewer that receives the discharge of a number of house sewers is called
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Answer & Solution
Answer: Option B
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