Waste Water Engineering Mcqs

Q.  The moisture content of sludge is reduced from 90% to 80% in a sludge digestion tank. The percentage decrease in the volume of sludge, is_______________?

a. 25 %
b. 50 %
c. 10 %
d. 5 %


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  Imhoff cone is used to measure________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The grit and silt of the grit chambers, may not be used for_________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  If the diameter of a sewer is 150 mm, the gradient required for generating self cleansing velocity, is________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The sewage treatment units in which anaerobic decomposition of organic matter is used, are called________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  If the flame of a miner’s safety lamp in a manhole extinguishes within 5 minutes, the sewer certainly contains_______________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  If the depth of flow in a circular sewer is 1/4th of its diameter D, the wetted perimeter is______________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  If q is the average sewage flow from a city of population P, the maximum sewage flow______________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  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__________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The sewer that unloads the sewage at the point of treatment is called_________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Sewer pipes are designed for maximum discharge with 25% to 33% vacant cross-sectional area for__________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  At the junction of sewers___________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The normal values of over flow rates for sedimentation tanks using coagulant, ranges between__________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  To prevent settling down of sewage both at the bottom and on the sides of a large sewer, self-cleaning velocity recommended for Indian conditions, is_________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Pick up the incorrect statement from the following for allowing workers to enter sewers_______________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The settling velocity of the particles larger than 0.06 mm in a settling tank of depth 2.4 is 0.33 m per sec. The detention period recommended for the tank, is____________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The discharge per unit plan area of a sedimentation tank, is generally called________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The gas which may cause explosion in sewers, is_________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The layers of vegetable wastes and night soil alternatively piled above the ground to form a mound, is called_______________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Pick up the correct statement from the following ?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Pick up the correct statement from the following?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts