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- Current Attempt in Progress An alloy steel (4340) is to be used in an application requiring a minimum tensile strength of 1380 MPa (200,000 psi) and a minimum ductility of 43% RA. Oil quenching followed by tempering is to be used. Using Animated Figure 10.35 determine the temperature range over which the tempering heat treatment may be conducted. Between and i °C eTextbook and Media Save for Later Attempts: 0 of 5 used Submit Answer2. Lacquer paints А. are generally applied on structural steel are less durable as compared to enamel B. paints C. consist of resin and nitro-cellulose D. contain alcohol as thinner E. all the above. Е.Which of the glass do you select from the table below to join silicon carbide (SiC) rods. Justify your answer and show complete work. Elastic modulus Thermal expansion (GPa) Material/properties Thermal coefficient (x10/°C (MPa.m2) | conductivity (W/m.K) 120 at 25-1000°C) SiC 410 4.0 4.6 Glass I 70 0.5 0.6 1.38 Glass II 75 4.5 1.0 2.00 Glass III 72 8.0 1.0 2.00
- i need clear ans and solve very very fast in 20 min and thank you | DYBALA When mixing with water, the calcium silicates react with water molecules to form ----and Calcium silicate hydrate and calcium hydroxide. Calcium silicate hydrate and Ettringite. Calcium silicate hydrate and Portlandite. Calcium aluminate hydrate and calcium hydroxide.11-10. An ion-exchange resin has a capacity of 1600 eq/m³. The manufacturer recom- mends that the resin be regenerated when 75 percent of its capacity has been utilized. The regeneration cycle takes I h for draining, regeneration, and flushing the bed. The contact time in the bed(s) is to be 10 min when one bed is out of service and one bed is being regenerated. The plant is to reduce the hardness of a flow of 7000 m³/day from 250 to 100 mg/L as CaCO3. Determine the total volume of resin required and the number of beds to be used. What is the frequency of regeneration which would be required?2. Lacquer paints А. are generally applied on structural steel are less durable as compared to enamel В. paints C. consist of resin and nitro-cellulose D. contain alcohol as thinner Е. all the above.
- 20-mm diarmeter 0.3 m 0.6 m 60-mm dumeter1. A commercial laundry is consdiering constucing an ion exchange process to remove hardness from water used in laundering oerpations. The laundry uses 1000 m³/d of city water with Ca²+ at 4.5 meq/L and Mg²* at 2 meq/L. Their goal is to reduce total hardness (TH) to 1 meq/L. The softening resin has a TH capacity of 60 kg-TH/m³ of media with a recommended hydraulic loading rate of 0.4 m³/(m² min). Renegeration can be accomplihsed using 100 kg NaCl per m³ of ion exchange media in a 15% solution at a hydraulic loading rate of 0.04 m³/(m² min). The exchanger tanks available to the laundrey have a diamter of 1 m. What is the total bypass-water flow rate (m³/d)? What is the total daily resin volume required to soften the water (m³/d)? How many exchanger tanks are required for a one-day operation cycle? What is the resin bed depth (m) in each exchanger tank? What is the daily volume of NaCl regenation solution used per tank (m³/d)? What is the time period required for resin regeneration in…In order to prevent this rapid reaction -- is added to the clinker. CaSO4 Na20H Gypsum H20 Page 2 of 11 العربية الإنجليزية •..
- For steel: E = 200 x 109 N/m3 α = 11.7 μm/(m-°C) For aluminum: E = 70 x 109 N/m3 α = 23 μm/(m-°C) SHow your complete solution.Please upload your full solution to the following problem. Determine the dosage and daily consumption of powdered activated carbon (PAC) required for trichloroethylene (TCE) removal given the following design specifications: 6 SUL Influent concentration = 1 mg/L TCE Carbon type: Calgon Filtrasorb 400 (12 x 40 mesh); pb = 450 g/L Freundlich parameters for TCE • Freundlich capacity parameter K = 55.9 (mg/g)(L/mg)¹/n • Freundlich intensity parameter 1/n = 0.48 Treatment objective = 0.005 mg/L TCE Flow rate = 378.5 L/min (100 gal/min) Assume that no other solutes compete with TCE for adsorption onto the PAC, and that the PAC is saturated at the treatment objective.1. A commercial laundry is consdiering constucing an ion exchange process to remove hardness from water used in laundering oerpations. The laundry uses 1000 m/d of city water with Ca2+ at 4.5 meq/L and Mg2* at 2 meq/L. Their goal is to reduce total hardness (TH) to 1 meq/L. The softening resin has a TH capacity of 60 kg-TH/m of media with a recommended hydraulic loading rate of 0.4 m/(m2 min). Renegeration can be accomplihsed using 100 kg NaCl per m of ion exchange media in a 15% solution at a hydraulic loading rate of 0.04 m/(m² min). The exchanger tanks available to the laundrey have a diamter of 1 m. 1. What is the total bypass-water flow rate (m/d)? 2. What is the total daily resin volume required to soften the water (m³/d)? 3. How many exchanger tanks are required for a one-day operation cycle? 4. What is the resin bed depth (m) in each exchanger tank? 5. What is the daily volume of NaCl regenation solution used per tank (m/d)? 6. What is the time period required for resin…