Questions 31–40 of 58. Imported answers require independent review unless marked reviewed.

Topic practice 58 questionsPage 4 of 6

Question 44

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ARNAT2 marksNeeds review
The annual precipitation recorded in a town is 400 mm. Rainwater is being collected from the flat roof of a building, and then treated to potable standards, and stored. Water loss due to evaporation, transmission and treatment is 40 percent of the total harvested volume. The roof area is 500 sq.m. There are 3 occupants, with average daily water demand as 200 lpcd. The stored rainwater will be adequate for the household’s daily use for ______ days [in integer].

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Question 67

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AR-B2MCQ1 markNeeds review
Jal Shakti Abhiyan initiated by the Ministry of Jal Shakti does NOT include _____.
Your answerChoose one option.

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Question 26

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ARNAT1 markNeeds review
An off-street car parking lot contains a total of 75 bays. If the parking lot was used by 687 cars over a period of 12 hours, the average parking turn-over of the parking lot (in vehicles per hour per bay, rounded off to two decimal places) is __________.

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Question 27

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ARNAT1 markNeeds review
The hydraulic radius of the following rectangular open drainage section (in mm, rounded off to two decimal places) is __________.
Diagram for Architecture and Planning question 27


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Question 28

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ARNAT1 markNeeds review
A town with 0.45 million population sends its entire organic waste to a composting site on a daily basis through a truck of 15 ton carrying capacity. Assume total waste generated per capita per day is 0.1 kg and 40% of the total waste is organic waste. The minimum number of weekly round trips required by the truck (in integer) will be __________.

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Question 41

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ARMSQ2 marksNeeds review
As per the URDPFI Guidelines 2015, which of the following Organoleptic and Physical parameters comply with the acceptable limit requirements of drinking water quality?
Your answerSelect all correct options. You can choose more than one.

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Question 45

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ARNAT2 marksNeeds review
The decadal population data of a city are given in the following Table. The domestic water consumption of the city is estimated to be 175 litres per capita per day in the year 2041. Considering 2011 population as the base year and using arithmetic growth method of population forecasting, the daily domestic water demand of the city in the year 2041 (in million litres per day, rounded off to two decimal places) will be __________.
Year
1981
1991
2001
2011
Population
1,80,750
1,95,850
2,15,300
2,45,450

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Question 11

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ARMCQ1 markNeeds review
The total head or total lift against which a pump works includes suction lift, discharge lift and
Your answerChoose one option.

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Question 12

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ARMCQ1 markNeeds review
The two components for measuring time of concentration for storm water are
Your answerChoose one option.

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Question 31

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ARMCQ2 marksNeeds review
Match the various types of impurities present in water in Group I with the appropriate water treatment process given in Group II.
Group I: P — Fine suspended matter; Q — Pathogenic bacteria; R — Color, odour and taste; S — Floating matter as leaves.
Group II: 1 — Aeration; 2 — Plain sedimentation; 3 — Sedimentation with coagulation; 4 — Screening; 5 — Disinfection
Your answerChoose one option.

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