Waste Water Engineering Mcqs


Q.  For a grit chamber, if the recommended velocity of flow is 0.2 m/sec and detention period is 2 minutes, the length of the tank, is__________________?

a. 16 m
b. 20 m
c. 24 m
d. 30 m


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  Irrigation water having the concentration of Na++ , Ca++ and Mg++ as 20, 3 and 1 Milli equivalent per litre respectively will be classified as__________________?
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MCQs:  The “outlet discharge factor” is the duty at the head of_________________?
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MCQs:  For supplying water to rabi crop, kharif crop and sugarcane, the channel is designed for a capacity equal to the greater of the water requirement of_______________?
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MCQs:  The water utilizable by plants is available in soils mainly in the form of________________?
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MCQs:  With the increase in the quantity of water supplied, the yield of most crops_________________?
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MCQs:  Infiltration rate is always________________?
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MCQs:  Infiltration capacity_________________?
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MCQs:  If the intensity of rainfall is more than the infiltration capacity of soil, then the infiltration rate will be______________?
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MCQs:  Which of the following is a non-recording raingauge ?
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MCQs:  Which of the following types of rain gauges is used for measuring rain in remote hilly inaccessible areas ?
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MCQs:  A 70% index of wetness means_______________?
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MCQs:  Assertion A : To estimate the rainfall over a catchment, the number of raingauges required per unit area is large for hilly areas. Reason R : Rainfall gradient is steep. Select your correct answer according to the coding system given below ?
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MCQs:  Unit of runoff in M.K.S. system is________________?
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MCQs:  The area between the isohyets 45 cm and 55 cm is 100 square km and between 55 cm and 65 cm is 150 square km. The average depth of annua! precipitation over the above basin of 250 square km will be__________________?
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MCQs:  If it rains between 2 P.M. and 3 P.M. and the entire basin area just starts contributing water at 3 P.M. to the outlet, then time of concentration will be_____________________?
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MCQs:  The normal annual precipitation at stations X, A, B and C are 700 mm, 1000 mm, 900 mm and 800 mm respectively. If the storm precipitation at three station A, B and C were 100 mm, 90 mm and 80 mm respectively, then the storm precipitation for station X will be___________________?
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MCQs:  The unit hydrograph due to a storm may be obtained by dividing the ordinates of the direct runoff hydrograph by_______________?
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MCQs:  S-hydrograph is used to obtain unit hydrograph of________________?
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MCQs:  Dimensions of coefficient of transmissibility are______________?
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MCQs:  An artesian aquifer is the one where______________?
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