31751. If the depletion of oxygen is found to be 5 ppm after incubating a 2.5% solution of sewage sample for 5 days at 21°C, B.O.D. of the sewage is
31752. Setting out the alignments of sewers may start from
31753. If the flame of a miner's safety lamp in the upper layers of the sewer forms an explosive, the sewer certainly contains
31754. The underground sewers are more subjected to
31755. Panchseel', was signed in 1954 between India and:
31756. The sewer pipes
31757. The normal values of over flow rates for secondary sedimentation tanks, ranges between
31758. The Brake Horse power of the motor (efficiency 60%) required for a pump of capacity 0.075 cumec for a total lift of 12 m, is
31759. In areas where light rains are uniformly distributed throughout the year, the type of sewerage system to be adopted is
31760. For detecting the nitrates in sewage, the colour may be developed by adding
31761. National Women's commission chairperson elected consecutively for the second time:
31762. The formula which accepts the value of rugosity coefficient n = 0.012 to be used in Manning's formula, is given by
31763. For laying a sewer line in a trench of 2 m width, an offset line is marked on the ground parallel to the given centre line at a distance of
31764. Who among the following presided over the meeting of the constituent assembly held on 9th December, 1946?
31765. The sewage treatment units in which anaerobic decomposition of organic matter is used, are called
31766. The spacing of man holes along a straight portion of a sewer is 300 m, the diameter of the sewer may be
31767. The most efficient cross section of sewers in a separate sewerage system is
31768. If a 2% solution of sewage sample is incubated for 5 days at 20°C and the dissolved oxygen depletion was found to be 8 mg/l. The BOD of the sewage is
31769. Pick up the incorrect statement from the following for allowing workers to enter sewers
31770. The year in which Travancore Forest Act came into force?
31771. In a grit chamber of a sewage treatment plant,
31772. The rate of accumulation of sludge per person per year, is
31773. The disintegrating pump in which solid matter is broken up before passing out, is
31774. The quantity of liquid waste which flows in sewers during the period of rainfall, is known
31775. The most efficient cross-section of sewers in a combined sewerage system is
31776. Pick up the incorrect size of stone ware sewers
31777. The grit and silt of the grit chambers, may not be used for
31778. In a sludge tank, the gas mainly produced, is
31779. The intensity of rain is expressed in
31780. 1000 kg of sewage contains
31781. The normal values of over flow rates for sedimentation tanks using coagulent, ranges between
31782. The minimum recommended diameter of sewers, is
31783. Aerobic bacterias
31784. The rate of accumulation of sludge in septic tanks is recommended as
31785. If 2% solution of a sewage sample is incubated for 5 days at 20°C and depletion of oxygen was found to be 5 ppm, B.O.D. of the sewage is
31786. If D is the diameter of upper circular portion, the overall depth of a standard egg shaped section, is
31787. Anne Marie Orler, the head of U.N. Police (UNPOL) belongs to:
31788. Kudumbashri' was launched in the year:
31789. Under the Right to information Act, which officer in the Public Authority provides information?
31790. The Chairperson of Kudumbashri (State Poverty Eradication Mission:
31791. A brave and Patriot Naga girl who spent her youthful years in Jail for 15 years in connection with our freedom struggle:
31792. The author of the Novel 'Trikkottoor Peruma'
31793. The surface Run-off is the quantity of water
31794. Pick up the correct equation from the following :
31795. Infiltration capacity of soil depends upon
31796. Back lash in spur gears is the
31797. Who among the following is the author of God of Small Things'?
31798. The main factor which affects the infiltration capacity, is
31799. According to Robert E. Horton, the equation of infiltration capacity curve, is (where letters carry their usual meanings)