Related Questions

একটি পানিপূর্ণ কুয়ার গভীরতা 20m ও ব্যাস 2 m. কুয়াটিকে পানি শূণ্য করার জন্য 5 HP এর একটি পাম্প লাগানো হল। অর্ধেক পানি তোলার পর পাম্পটি নষ্ট হয়ে গেল। বাকি পানি তোলার জন্য একই ক্ষমতা সম্পন্ন আর একটি পাম্প লাগানো হল। প্রথম পাম্প দ্বারা সম্পাদিত কাজের পরিমান নির্ণয় কর।(The depth and diameter of a water filled well are 20 m and 2 m respectively. An engine of 5 HP is attached to pump out the water. The pump was ruined after emptying half of the water. Then another pump of same capacity was attached to pump out rest of the water. Determine the work done by first pump.) 
For a return activated sludge pump what is the type of pump preferred?
What is the solid loading rate in kg/ m2.d considered while designing a thickener to treat the sludge from air- activated sludge process?
Working alone, pump A can empty a pool in 3 hours. Working alone, pump B can empty the same pool in 2 hours. Working together, how many minutes will it take pump A and pump B to empty the pool?
A centrifugal pump designed to pump water is employed to pump a more viscous oil. In the later case, the pump
If the gear ratio for fuel pump is thrice that of the oxidizer pump, the shaft speed of fuel pump is ____________ the oxidizer pump.
In a diesel engine
1. Fuel injection pump is used
2. Fuel injection pump and carburettor is used
3. Fuel injector is used
4. Neither fuel injection pump nor injector is used
The moisture content of sludge is reduced from 90% to 80% in a sludge digestion tank. The percentage decrease in the volume of sludge, is
Calculate the flow of backwash pump required for the activated carbon filter for the following details. Flow: 2500 m3/h. Rise Velocity: 15m/h Backwash pump velocity: 24 m/h
The Activated Sludge Process is a _______ wastewater treatment process.