n use sludge recycle.

Q: Find the quantity of material for one batch of a mechanical mixer volume 0.452 m3 if the mix design…

A: The values given in the question are as follows Volume of one batch=0.452 m3 1 m3 design mix…

Q: Explain the following terms as used in sludge processing: a) Alkalinity, b) Hydraulic detention…

A: From the given question it is required to define the following terms-

Q: 4. improved? What is freeze-thaw resistance, and how can it be

A: Freeze thaw resistance is also known as freezing and thawing resistance and it is the property of…

Q: 6. Backwashing is used in A. Filtration processes B. Ion-exchange processes C. Membrane processes D.…

A: Backwashing is used in membrane processes. Backwashing is used in reverse direction of flow. In…

Q: 13- At any stage of hydration, the . ..represent that part of the gross volume which has not been…

A: We have to determine that which option among all given options is correct according to the given…

Q: The wall shown in the figure consists of seven layers arranged in series. The thermal resistances of…

A: Thermal resistance is generally the ratio of the temperature difference between the material to the…

Q: Make sure to discuss how the mixing systems differ between the coagulation (rapid mix) and…

A:

Q: Determine water needed for SSD condition for a 1 cyd mix. Proportion the batch weights for a 0.3…

A: Required Water content = w/c×CementWater Content = 0.4×700Water Content = 280 lbs/yd3 The water…

Q: 4 ft 5 ft 5 ft 6 ft FB=10 kips Fc=20 kips Fo 15 kips RE RA

A:

Q: The suitable method of curing for column is Ponding and immersion Wet burlap Plastic sheet O All of…

A: As multiple questions are asked and as per the guidelines only very first question will be answered.…

Q: WMA producers recommend adding an anti-stripping agent when too much water is added during the…

A: Warm mix asphalt technologies allow a reduction in the temperatures at which asphalt mixes are…

Q: (a)The purpose having rapid mix process in figure  b)The benefit having disinfection process as in…

A:

Q: A complete mix activated sludge secondary treatment plant is wasting from the return sludge line.…

A: Solution: Given Data: Mean cell solids residence time Qc=5 daysV=1000 L=1 m3MLVSS Xt=2000 mg/LWaste…

Q: The plant trial should... * O be conducted prior to the Marshall Mix design method consider the…

A:

Q: 7. Explain anodizing , galvanising and electroplating

A: As per the guidelines only 1st Q. is to be answered.

Q: Before it is permissible for the dozer to "track" over an exposed pipe in order to get to the other…

A: Dozer is a heavy machine which is used to level , digging and compacting the soil .

Q: Name the different dry flue gas treatment techniques.

A: A mechanism for reducing the volume of emissions released by the combustion of fossil fuels at a…

Q: Calculate the total surface area and the volume of the plant pot mold shown in figure shown below.

A: The total surface area of the given hexagon-shaped pot with the dimension of the side is  The…

Q: By means of equations and illustrations, explain clearly the difference between constant rate…

A: Constant rate filtration -  The resistance offered to the flow is constant or approximately more or…

Q: |The correct steps to evaluate lim (x'lnx) x→0+ i. 0 x3 ii. lim -3 x-0 iii. lim x→0+ Inx iv. lim…

A: ANSWER : OPTION(D)    iv,iii,ii,i

Q: design an aeration tank of CASP based on the following data influent flowrate is 100000m3/d,…

A: Assume Y = 0.5 kg/kg, θc = 5 days, kd=0.06 per day, X=0.3 V = 23684.21 m3

Q: ation of C2S is a) High rate of temperature rate of temperature 2- Low heat Portland cement is a)…

A: A cement is a binder, a substance used for construction that sets, hardens, and adheres to other…

Q: Q1 /Choose the correct answer. 1- hydration of C2S is a) High rate of temperature rate of…

A:

Q: Present a step-by-step procedure for determining solvent flow rate required in a packed tower wet…

A: Answer:- Packed wet scrubber system: The packed bed scrubbers is designed to remove gaseous or…

Q: to remove surface water on highway surface must be used O cross slope O shoulder slope O curb and…

A: Given multiple question is from highway engineering  .

Q: What are the operating problems of the system?

A: The activated sludge process (ASP) works on the principle of a suspended culture system. In the…

Q: er of transfer units, and the height of the p ng/L and this must be reduced to 75 µg/L

A: Solution- Lequid loading rate   Mass rate    Mass rate = 1kg/L×350 gal/min                      =…

Q: a) Draw a neat sketch of Activated Siudge Process and discuss how ȘVI, return sludge wasted sludge…

A: Activated Sludge Process- The activated sludge method employs highly concentrated microorganisms to…

Q: Find the volume of hydration nroducts resulting from a rea

A: Introduction- The "degree of hydrating" of Portland clinker, including gypsum additions, is defined…

Q: Find the volumes of hydration products resulting from mixing of 200 grams of cement with 100 grams…

A: Given data- mass of cement=200 gramsmass of water=100 grams10% of mixing water evaporatesTo…

Q: 100 m R1 R2 R3 R5 R4 R8 R7 R6 R9 Dry Cleaner Gas Station Oil UST R10 If aquifer hydraulic gradient,…

A:

Q: Design rapid mix basins by computing the following: a) Tank volume if tank height is 1.0m and tank…

A: Height of the tank=1.0m Diameter of the tank=0.75m Flow rate is=0.44m3/s

Q: What are the primary chemical reactions during the hydration of portlandcement?

A: When water is added to cement, a chemical reaction taking place between cement and water which is…

Q: A water sample contains 6.35 mg/L of calcium (Ca), 7.3 mg/L of magnesium (Mg) and sodium (Na) of 21…

A: given data  quantity of calcium ca=6.35mg/l magnisium mg=7.3mg/l sodium na=21mg/l