Question 1 : The peaking factor is defined by
1. Peak flow * Average flow
2. Peak flow – Average flow
3. Peak flow + Average flow
4. Peak flow / Average flow
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Question 2 : Which system of collection of sewage is a dry system?
1. Conservancy system
2. Biological digestion
3. Incernation
4. Water carriage system
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Question 3 : The rate of infiltration lies in the range of ______ m3/hectare/day.
1. 0.20-0.28
2. 0.42-0.63
3. 0.60-0.80
4. 0.70-0.90
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Question 4 : _________ is the flow through sewers available during non-rainfall period.
1. Gradually varied flow
2. Rapidly varied flow
3. Dry weather flow
4. Storm water flow
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Question 5 : ________ is the time required by flood discharge to reach the maximum limit.
1. Storm frequency
2. Run-off time
3. Detention period
4. Time of concentration
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Question 6 : The value of the factor K in finding the storm water flow by Rational method is
1. 100
2. 160
3. 1
4. 1/360
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Question 7 : Which of the following factor does not effect the dry weather flow?
1. Rate of water supply
2. Temperature conditions
3. Population growth
4. Infiltration of ground water
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Question 8 : Hog feeding is a type of ______
1. Campaign
2. Food contest
3. Garbage disposal method
4. Disease
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Question 9 : State whether the following statement is true of false.
The maximum runoff occurs when the duration of storm equals the time of concentration.
1. True
2. False
3.
4.
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Question 10 : Which of the following is an advantage of the combined water carriage system?
1. There is more air in large sewer
2. There is the inclusion of storm water
3. There is difficulties in ventilation of large sewer
4. Overflowing of sewer
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