![subject](/tpl/images/cats/User.png)
Engineering, 16.02.2022 14:20 juniieb
Dosage of alum with the alum-lime coagulation of a water is 50 mg/l. It is desired to react only 10 mg/l (as CaCO3) of the natural alkalinity with the alum. What dosage of lime is required, in addition to 10 mg/l of natural alkalinity, to react with the alum dosage?
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Engineering
![question](/tpl/images/cats/User.png)
Engineering, 03.07.2019 15:10
Ahouse has the following electrical appliance usage (1) single 40w lamp used for 4 hours per day (2) single 60w fan used for 12 hours per day (3) single 200w refrigerator that runs 24 hours per day with compressor run 12 hours and off 12 hours find the solar power inverter size in watt with correction factor of 1.25.
Answers: 1
![question](/tpl/images/cats/User.png)
Engineering, 04.07.2019 18:10
What difference(s) did you notice using a pneumatic circuit over hydraulic circuit.explain why the pneumatic piston stumbles when it hits an obstacle.
Answers: 2
![question](/tpl/images/cats/User.png)
Engineering, 04.07.2019 18:20
Amixture of slurry and mud is to be pumped through a horizontal pipe of diameter 500 mm. the fluid behaves as a bingham plastic with a yield stress of 30 pa and viscosity 0.04 pa.s. describe the effects of the shear stress through a transverse section of the pipe by plotting the variation in shear stress and velocity profile: (i) just before the slurry starts to move (ii) as the slurry flows when the pressure gradient is double that in part (i)
Answers: 3
![question](/tpl/images/cats/User.png)
Engineering, 04.07.2019 19:10
Asteam is contained in a rigid tank with a volume of 1 m3. initially, the pressure and temperature are 7 bar and 500 oc, respectively. the temperature drops due to cooling process. determine: (1) the temperature at which condensation begins in °c, (2) the fraction of the total mass that has condensed when the pressure decreased to 0.5 bar. (3) the volume in m3 occupied by saturated liquid at the final state?
Answers: 3
You know the right answer?
Dosage of alum with the alum-lime coagulation of a water is 50 mg/l. It is desired to react only 10...
Questions
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 26.09.2019 12:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 26.09.2019 12:00
![question](/tpl/images/cats/mat.png)
Mathematics, 26.09.2019 12:00
![question](/tpl/images/cats/ekonomika.png)
Business, 26.09.2019 12:00
![question](/tpl/images/cats/biologiya.png)
Biology, 26.09.2019 12:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 26.09.2019 12:00
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 26.09.2019 12:00
![question](/tpl/images/cats/biologiya.png)
Biology, 26.09.2019 12:00
![question](/tpl/images/cats/mat.png)
Mathematics, 26.09.2019 12:00
![question](/tpl/images/cats/mat.png)
Mathematics, 26.09.2019 12:00