Live exam 25-08-2019 environmental engineering
Quiz by Wincentre Classes
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10 questions
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- Q1The minimum diameter of sewer pipe should be10cm25cm15cm5cm30s
- Q2A sewer that resist sulphide corrosionLeadRCCbrick sewercast iron sewer30s
- Q3Settling velocity of inorganic particles in a sedimentation tank of water treatment plant is governed byDupuits lawStokes lawNone of theseDarcys law30s
- Q4L:B ratio of septic tanks is1:31:21:41:530s
- Q5Detension time of oxidation pond is2-6week1-2 week2-6 days1-2 days30s
- Q6Service connections to consumer houses are generally provided withPVC pipeCast iron pipeGI pipeCopper pipe30s
- Q7Asbestos pipes are joined by means ofFlanged jointFlexible jointDresser coupling jointSimplex joint30s
- Q8Zeolite isSilicon carbideDehydrated calcium silicateHydrated silicateHydrated alumino silicate30s
- Q9The shape of trunk and outfall sewerCircularEgg shaperectangularHorseshoe30s
- Q10Trickling filters are preferred for sewage treatment forLarge sized citiesTowns and smaller citiesAll of thesevillages30s