Ask Question
EngineeringEngineering
Ingrid Hines
A tank with a volume of 8 m3 containing 4 m3 of 20% (by volume) NaOH solution is to be purged by adding pure water at a rate of 3 m3/h. The solution leaves the tank at a rate of 2 m3/h. When the tank is full, the solution leave the tank at the same inlet flow of 3 m3/h. Assume perfect mixing. Specific gravity of pure NaOH is 1.22. Determine the time necessary to purge 95% of the NaOH by mass from the tank.
Answer Answers (1)
EngineeringEngineering
Amaya Burke
A fireboat is to fight fires at coastal areas by drawing seawater with a density of 1030 kg/m through a 20-cm-diameter pipe at a rate of 0.1 m / s and discharging it through a hose nozzle with an exit diameter of 5 cm. The total irreversible head loss of the system is 3 m, and the position of the nozzle is 3 m above sea level. For a pump efficiency of 70 percent, determine the required shaft power input to the pump and the water discharge velocity.
Answer Answers (1)
EngineeringEngineering
Taniyah Travis
If you install special sound-reflecting windows that reduce the sound intensity level by 33.0 dBdB, by what factor have you reduced the sound intensity
Answer Answers (1)
EngineeringEngineering
Monica Bray
An electric generator coupled to a windmill produces an average electric power output of 15 kW. The power is used to charge a storage battery. Heat transfer from the battery to the surroundings occurs at a constant rate of 1.8 kW. Determine, for 8 h of operation
Answer Answers (1)
EngineeringEngineering
Briley Williams
A material condition used to indicate that a specified geometric tolerance applies at each increment of size of a feature within its limits of size is called ___.
Answer Answers (1)
EngineeringEngineering
Trouble
What are the principles involved in the process of sewage filtration?
Answer Answers (1)
EngineeringEngineering
Camille Myers
Whats the race race in rogue linage
Answer Answers (1)
EngineeringEngineering
Fluffy
Extensive property means and explain Example of extensive property.
Answer Answers (1)
EngineeringEngineering
Camron Gaines
Can a heat engine operating with only one thermal reservoir?
Answer Answers (1)
EngineeringEngineering
Jaelyn Maddox
What does the simplify command do
Answer Answers (1)
EngineeringEngineering
Mila Arias
Describe the common heat treatment for gears and gear teeth.
Answer Answers (1)
EngineeringEngineering
Elvis Montoya
Suppose a possibly biased die is rolled 30 times and that the face containing

two pips comes up 10 times. Do we have evidence to conclude that the die is biased?
Answer Answers (1)
EngineeringEngineering
Sidney Floyd
Which of these physical concepts is most important in civil engineering? A. energy transformations B. motion under gravity C. heat transfer D. forces in structures E. atomic structure
Answer Answers (1)
EngineeringEngineering
Costa
A student needs to measure the drag on a prototype of characteristic length dp moving at velocity Up in air at sea-level conditions. He constructs a model of characteristic length dm, such that the ratio dp/dm = a factor f. He then measures the model drag under dynamically similar conditions, in sea-level air. The student claims that the drag force on the prototype will be identical to that of the model. Is this claim correct? Explain.
Answer Answers (1)
EngineeringEngineering
Braedon Mack
Why is a universal joint useful?
Answer Answers (1)
1 ... 52 53 54 55 56 ...
Home » Engineering » Page 54
Sign Up Forgot Password?