Environmental Engineering Part 1
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Attempt Free Environmental Engineering Part 1 Here. Read The Important Civil MCQ From Below.
Q1. 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
Answer : C
Q2. 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
Answer : A
Environmental Engineering Part 1
Q3. 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
Answer : B
Q4. 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
Answer : A
Q5. 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
Answer : B
Q6. The type of valve which allows water to flow in one direction but prevents its flow in the reverse direction is
A. reflux valve
B. sluice valve
C. air relief valve
D. pressure relief valve
Answer : A
Environmental Engineering Part 1
Q7. Scour valves are provided
A. at street corners to control the flow of water
B. at every depression and dead ends to drain out the waste water that may collect there
C. at the foot of rising main along the slope to prevent back running of water
D. at every summit of rising mains
Answer : B
Q8. A sewer that receives the discharge of a number of house sewers is called
A. house sewer
B. lateral sewer
C. intercepting sewer
D. submain sewer
Answer : B
Q9. A pipe conveying sewage from plumbing system of a single building to common sewer or point of immediate disposal is called
A. house sewer
B. lateral sewer
C. main sewer
D. submain sewer
Answer : A
Environmental Engineering Part 1
Q10. For a country like India, where rainfall is mainly confined to one season, the suitable sewerage system will be
A. separate system
B. combined system
C. partially combined system
D. partially separate system
Answer : A
Q11. Average rate of water consumption perhead per day as per Indian Standard is
A. 100 litres
B. 135 litres
C. 165 litres
D. 200 litres
Answer : B
Q12. Sewerage system is usually designed for
A. 10 years
B. 25 years
C. 50 years
D. 75 years
Answer : B
Q13. Which of the following sewers is preferred for combined system of sewage ?
A. circular sewer
B. egg shaped sewer
C. rectangular sewer
D. none of the above
Answer : B
Environmental Engineering Part 1
Q14. The suitable system of sanitation for area of distributed rainfall throughout the year with less intensity is
A. separate system
B. combined system
C. partially separate system
D. partially combined system
Answer : B
Q15. The water carriage system of collection of waste product
A. is cheaper in initial cost than dry conservancy system
B. requires treatment before disposal
C. creates hygenic problem
D. all of the above
Answer : B
