31652. The sewer which transports the sewage to the point of treatment, is called
31653. Kjedahl nitrogen is a mixture of
31654. The boundary between India and China is known as:
31655. The state known as 'Granary of India
31656. You are asked to design sewer pipes of diameters 0.4 m to 0.9 m at maximum flow, you will assume the sewer flow running at
31657. The constituent assembly was elected indirectly by?
31658. For sewer mains of 0.5 to 1 m diameter, the ratio of maximum daily sewage flow to the average daily sewage flow is assumed
31659. Sewer pipes need be checked for
31660. If D.O. concentration falls down to zero in any natural drainage, it indicates the zone of
31661. The ratio of design discharge to the surface area of a sedimentation tank is called
31662. Which of the following creatures has metamorphosis?
31663. In the activated sludge process
31664. The minimum diameter of a sewer is kept
31665. The minimum diameter of sewer to be adopted is
31666. To test chemical oxygen demand (C.O.D.) of sewage, organic matter is oxidised by pottassium dichromate in the presence of
31667. The discharge per unit plan area of a sedimentation tank, is generally called
31668. ‘Rajiv Gandhi Sadh Bhavana’ Award is given on which day?
31669. D is the diameter of a circular sewer and α is the side of a square section sewer. If both are hydraulically equivalent, the relationship which holds good, is
31670. For detecting the nitrites in the sewage, the matching colour may be developed by adding
31671. The suitable cross-section of sewers to carry combined flow, is
31672. Hazin's formula is used for the settlement velocity of the particles of diameter
31673. If the diameter of a sewer is 100 mm, the gradient required for generating self cleansing velocity, is
31674. Stone ware pipes are
31675. Skimming tanks are
31676. Pick out the most effective word from the choices. If he had applied for the post ..........?
31677. Assertion (A) : The determination of pH value of sewerage is important. Reason (R) : The efficiency of certain treatment methods depends upon the availability of pH value.
31678. With self cleansing velocity in sewers
31679. Aerobic activity is maximum
31680. In sewers designed with self cleansing velocity,
31681. Which one of the following resists hydrogen sulphide corrosion
31682. The sewerage system consists of
31683. Hume steel pipes are
31684. Drop manholes are the manholes
31685. Boussinesq's equation for ascertaining unit pressure at a depth H on sewers due to traffic loads, is
31686. The laying of sewers is done with
31687. The rational formula for peak drainage discharge, was evolved by
31688. The sewage treatment in septic tanks is due to
31689. In 1000 kg of sewage, the total solids approximate
31690. Pathogens (or pathogentic bacterias) in water may cause
31691. Sewer manholes are generally provided at
31692. The sewers
31693. Before discharging the foul sewage into rivers, it is generally treated by
31694. The settlement of a particle in sedimentation tank, is affected by
31695. If the length of overland flow from the critical point to the mouth of drain is 13.58 km and difference in level between the critical point and drain mouth is 10 m, the inlet time is
31696. Oxidation process results in the formation of
31697. Dry weather flow is :
31698. As compared to fresh river water, sea water contains oxygen
31699. The settlement velocity of a solid (diameter 0.5 mm, specific gravity 1.75) in water having temperature 10°C, is
31700. If γw is the unit weight of water, r the hydraulic mean depth of the sewer and S the bed slope of the sewer, then the tractive force exerted by flowing water, is