1. Suspended solids are measured by which of the following? chromatography turbidity rod gravimetric test jackson's turbidity meter 2. What is the fire demand of the city of 1lakh population by Buston's formula? 56630 5663 5663000 566300 3. Which of the following can be identified as the objective of water supply scheme? safe water supply ionization of water chlorination of water treat water 4. What are the factors affecting per capita demand? cost of water, quality of water, size of city size of city, habit of people size of city cost of water, quality of water, size of city, habit of people 5. Which of the following is not a component of plumbing water supply system? water supply and distribution pipes storage tanks valves washbasin 6. Which of the following is not true about lead pipes? when lead goes into solution, it has a cumulative poisoning effect lead pipes are highly flexible they have a low hydraulic coefficient of flow lead pipes are highly resistant to corrosion 7. Which of the following statement is correct? loss of water is more if the pressure in the distribution system is less water consumption is less in flush system rich class consumes less water intermittent water supplies leads to less water consumption 8. What happens when water contains 8-20 ppm of fluoride concentration? blue baby disease crippling fluorosis dental fluorosis mottling of teeth 9. Which material is used in contact filters for the removal of fluorides? bone charcoal copper sulfate calcium phosphate synthetic tri-calcium phosphate 10. The average quantity of water (in lpcd) required for domestic purposes according to IS code is 100 70 135 120 11. Which of the following can act as a type of variation in water demand? crop variation 10 year variation monthly variation annual variation 12. Which material is used for removing fluorides from hard water containing 3ppm of fluorides? synthetic tri-calcium phosphate lime bone charcoal copper sulfate 13. Who is responsible for the clean-up of oil spill? oil pollution act hws aps sara 14. Which of the following is not used for defluoridation? bone charcoal alum calcium phosphate copper sulfate 15. What is the design period for the water treatment unit? 10 years 20 years 30 years 15 years 16. The Federal Water Pollution Control Act of 1948 was the first major U.S. law to address water pollution. 1946 1947 1945 1948 17. What is the design discharge for intake structures? maximum weekly demand average daily demand maximum hourly demand maximum daily demand 18. The process of reducing the fluoride content from water is called fluoridation flocculation chlorination defluoridation 19. Which reservoir is helpful in permitting the pumps or the water treatment plants to work at a uniform rate? detention reservoir storage reservoir multipurpose reservoir distribution reservoir 20. Which type of water is generally used in the treatment of water? treated water raw water sulphated water chlorinated water 21. In which of the following reservoir the flood crest downstream can be better controlled and regulated properly? multipurpose reservoir storage reservoir retarding reservoir distribution reservoir 22. What are the types of flood control reservoirs? storage reservoir and retarding reservoirs distribution reservoir and multipurpose reservoir distribution reservoir and storage reservoir multipurpose reservoir and single purpose reservoir 23. In which type of water demand, minimum average consumption of water takes place? fire demand domestic water demand institutional and commercial water demand industrial water demand 24. While considering the design period, which must be given more priority? population usage of water arrangement of pipes area of land 25. Water lost in theft and waste contributes to how much % of total consumption? 5 20 15 10 26. Fluorex is a special mixture of tri-calcium phosphate and carbon di-calcium phosphate and phosphoric acid tri-calcium phosphate and hydroxyapatite di-calcium phosphate and carbon 27. Which of the following is not true about plastic pipes? plastic pipes are corrosive plastic pipes are cheaper than the metal pipes plastic pipes can be installed with ordinary tools plastic pipes are light in weight 28. causes hoop tension in pipe shell. water hammer longitudinal stress internal water pressure external water pressure 29. The method of distribution of water is divided into how many types? 2 1 4 3 30. In which system of water supply, water is available for 24 hours but uneconomically used? continuous supply intermittent supply fixed supply low supply 31. In which of the following units, design period is maximized? distribution system demand reservoir water treatment unit pipe mains 32. Which of the following does not act as a major factor that effects per capita demand? placement of pipe human activity usage of water industrial activities 33. is used to measure the flow velocity across a cross-section with a known area. inferential meter speedometer barometer anemometer 34. In which system of water supply, water is supplied only during fixed hours of the day? low supply intermittent supply fixed supply continuous supply 35. A hydel power project has been envisaged to serve the water supply and irrigation needs of the area at its inception stage. The dam reservoir so constructed is known as multipurpose reservoir distribution reservoir retarding reservoir single-purpose reservoir 36. The Clean Water Act (CWA) regulates discharge of pollutants into the air of the united states discharge of pollutants into the waters of the united states discharge of pollutants into the waters of india discharge of pollutants into the waters of the united kingdom 37. What is the full form of NTU in context with turbidity? number of transfer unit neurological turbidity unit network terminal unit nephelometric turbidity unit 38. The discharge of regulated chemicals into surface waters is controlled by sara pdac npdes cercla 39. is used to measure flows to domestic buildings. rain gauge water tank water meter drainpipe 40. The velocity of water in the pipe is 1.8m/Sec. What is the diameter of pipe used? 10cm 25cm 15cm 40cm 41. When depth of insertion of turbidity rod increases, the reading in the turbidity rod remains constant increases decreases first decrease, then increase 42. The maximum amount of pollution that each waterway could absorb is known as tdsml tsml tmdl tds 43. Which method is used to measure the color of water? gravimetric analysis hydrometer analysis chromatography tintometer method 44. If the PO value is 6, what does it imply? extremely strong odour very faint odour very distinct odour no perceptible odour 45. requires EPA to establish regulations to protect human health from contaminants present in drinking water. sawd asaw sdwa swsa 46. Which reservoir is also known as Mitigation reservoir? storage reservoir flood control reservoir conservation reservoir multipurpose dam 47. The amount of water required for 1 percent per day is determined as daily demand per capita demand annual demand monthly demand 48. A reservoir having gates and valves installation at its spillway and at its sluice outlets distribution reservoir retarding basin storage reservoir both storage and retarding reservoir 49. Which of the following stress in pipe depends on temperature? longitudinal stress internal water pressure temperature stress stress due to foundation reaction 50. Pipe corrosion can be minimized by addition of calcium carbonate addition of carbon dioxide removal of dissolved oxygen removal of copper sulfate Submit Answers Retake Test More Civil Engineering Study Material › Civil Engineering Mock Tests with AnswersAdvanced Construction and Equipments Mock TestAdvanced Construction Technology Mock TestBasics of Civil Engineering Mock TestBuilding Construction Mock TestBuilding Materials Mock TestBuilding Services Mock TestBuilding Technology and Architectural Planning Mock TestConcrete Technology and Design Mock TestConcrete Technology Mock TestConstruction Management Mock TestConstruction Project Management Mock TestConstruction Quality Control and Monitoring Mock TestConstruction Technology Mock Test Design of Masonry Structures Mock TestDesign of Reinforced Cement Concrete Elements Mock TestDesign of Steel Structures Mock TestDock and Harbour Engineering Mock TestElements of Remote Sensing Mock TestEngineering Geology Mock TestEngineering Graphics Mock TestEngineering Mechanics Mock TestEstimating and Costing Mock TestEstimation, Costing and Valuation Engineering Mock TestFluid Mechanics Mock TestFoundation engineering Mock Test Geotechnical Engineering Mock TestHighway Engineering Mock TestHydraulics and Fluid Mechanics Mock TestHydraulics Machines Mock TestHydraulics Mock TestIrrigation Engineering Mock TestMaintenance and Rehabilitation of Structures Mock TestPrefabricated Structures Mock TestProfessional Ethics in Engineering Mock TestPublic Health Engineering Mock TestRailway Bridge and Tunnel Engineering Mock TestRailway Engineering Mock Test Railways, Airports, Docks and Harbour Engineering Mock TestRCC Structures Design Mock TestSocietal and Global Impact Mock TestSoil Mechanics and Foundations Mock TestStructural Analysis Mock TestStructural Design and Drawing Mock TestStructural Design Mock TestStructural Mechanics Mock TestSurveying Mock TestWaste Water Treatment Mock TestWater Supply Engineering Mock TestWater and Wastewater Engineerin Mock Test Civil Engineering Mock TestsCivil Engineering MCQ Questions with Answers
