Hi all, I am having trouble grasping the phenomenon on why the LPG tank freezes as you use up more and more of the gas inside.
My understanding is this. Initially, the tank is full of liquefied gas, and as you use up the gas, the pressure inside the tank drops, and since the temperature...
Help... ?
A 200 liter tank initially contains 100 liters of water with a salt concentration of 0.1 grams per liter.
Water with a salt concentration of 0.5 grams per liter flows into the tank at a rate of 20 liters per
minute. Assume that the fluid is mixed instantaneously and that this...
can you help me ??
A 200 liter tank initially contains 100 liters of water with a salt concentration of 0.1 grams per liter.
Water with a salt concentration of 0.5 grams per liter flows into the tank at a rate of 20 liters per
minute. Assume that the fluid is mixed instantaneously and that...
can you help me ??
A 200 liter tank initially contains 100 liters of water with a salt concentration of 0.1 grams per liter.
Water with a salt concentration of 0.5 grams per liter flows into the tank at a rate of 20 liters per
minute. Assume that the fluid is mixed instantaneously and that...
Homework Statement
At 5°c, a steel tank is 6m high, 9m in diameter, and contains oil to the 5.9m level. A heating coil is put into service, causing 3.4m^3 of oil to spill over the top of the tank by the time the final temperature is reached. Calculate the final temperature, if the coefficient...
Hi!
At my plant we have a tank filled with hydrogen gas used for cooling a generator. The tank volume is 360 m^3. We have a constant leakage of 1 m^3/h. The system pressure is about 0,4 MPa. We also have a constant inflow to the system and the ventilation in the room is good so the leakage is...
Figure 14-24 shows a tank filled with water. Five horizontal floors and ceilings are indicated;
all have the same area and are located at distances L, 2L, or 3L below the top of the tank. Rank them according to the force on them due to the water, greatest first.
Are we just comparing the...
I have a problem with an above-ground water tank supplying a pump on the ground, supplying a sprinkler system. When the pump turns off, the water doesn't stop due to the syphon effect. When I first installed the pump, I put in an adjustable sprink check valve after the pump, but it still leaked...
Homework Statement
Problem with picture attached
I need help on 24. **24 is a continuation of 23 so use the same dimension except for the distance...
Or you can go here http://college.cengage.com/mathematics/blackboard/content/larson/calc8e/calc8e_solution_main.html?CH=00&SECT=a&TYPE=se...
Homework Statement
A sealed tank containing seawater to a height of 12.8 m also contains air above the water at a gauge pressure of 2.90 atm. Water flows out from the bottom through a small hole.
How fast is this water moving?
Homework Equations
I believe that Bernoulli's equation is...
dear guys,
first of all.., I'm sorry because i not sure my question suitable in this forum or not.
if not, mr moderator please move my topics to correct section :redface:
my problem is, how to increase the pressure of the r22 gas in the tank diameter 10 inch x 30 inc (length). my tank can...
Hi,
This is a question regarding my employment.
A centrifugal pump at the source tank sends fluid 200m using 3" hoses to a recieval tank.
When the automatic valve shuts on the recieval tank the pump stops due to it having a pressure sensor.When the pump stops there is 8 Bar pressure on...
Homework Statement
Flopping about in pain, Augustine starts rolling across the beach at a constant 1.4m/s. This isn’t Augustine’s day as he now rolls into a hole somebody had just dug for a new septic tank. If it takes him 1.01s to hit the bottom of the hole:
a)How deep is the hole?
b)what...
Hi all,
I was trying to find the time required for liquid ejecting from a hole in a tank to reach ground level. The equation given in one of the books is as follows:
t = √(2h/g) or sqrt of (2h/g).
where h stands for the height of hole in tank shell from the ground level.
This...
hi, if you had a litre container full of water with negligible air and nothing else and heated it at a linear rate from 50 degrees centigrade upto 200 degrees centigrade does the steam pressure rise linearly or exponentially?
the measurements are plucked from the air, its the rate of steam...
Homework Statement
Find the work required to empty a 10m high conical tank with a radius at the top of 4m by pumping the water out the top of the tank. The water level is 2m below the top of the tank.
Homework Equations
\pi r^2
Similar triangles
The Attempt at a Solution...
Homework Statement
Torricelli’s law says that if you drain a tank like the one in the figure shown, the rate y
at which water runs out is a constant times the square root of the
water’s depth x. The constant depends on the size and shape of the
exit valve...
Problem Statement:
A water tank (Diameter=10m) is pressurized with a gas at 20MPa. 15m below the surface of the water in the tank, is an exit pipe (Diameter=0.4m, area=A2) to a second pressurized tank of 16MPa. What is the maximum flow rate delivered to the second tank?
I'm not sure what I'm...
Homework Statement
A water tank has the shape of an inverted right-circular cone, with radius at the top 15 meters and depth 12 meters. Water is flowing into the tank at rate of 2 cublic meters per minute. How fast is the depth of water in the tank increasing at the instant when the depth is 8...
I am really not sure how to go about this problem, can anybody please give me an indication on how I can start solving the problem?
Homework Statement
An open rectangular water tank 1.2 m x 1.2 m x 2.6 m (height) is completely filled with water. As the tap at the bottom is opened, the flow...
Homework Statement
The liquid in a production stirred tank system in which vortexing occurs has viscosity equal to 0.005 Pas and density equal to 900 kg m^3. A 1/5th scale laboratory model of the production unit is built to investigate the mixing performance. The liquid used in the laboratory...
I am trying to determine how to accurately model an open system which includes:
A tank: Volume = 1320 gallons
An exit pipe from tank: Diameter = 3 inches
The tank is compressed from atmospheric conditions to a final pressure of 100 psig. Then the tank is allowed to decompress by opening a...
Homework Statement
A tank with a fixed volume of 0.0800 m3 is filled with an ideal gas at a pressure of 4.00 atmospheres and a temperature of 48.0° C. Due to a small leak, some of the gas leaks out. Later it is found that the pressure in the tank is 3.20 atmospheres when the temperature is...
HI all,
A parallel tank circuit at resonance has a theoretical infinite impedance. However due to the resistance of L and C some power is dissipated so a small current will flow from the source.
If a parallel tank circuit is oscillated at it's resonant frequency and a capacitor (C2) is...
Hi,
I am measuring pressure at the bottom of a fuel tank and temp variations are giving me a tough time. I wish to clear my head so here goes my reasoning as temp increases
- Tank Volume increases causing - height of fuel to decrease, pressure at the bottom of tank to decrease
- Fuel...
Hi
Can someone please confirm me on this one
http://img822.imageshack.us/img822/9724/hydron.png
1. Is this picture correct? (The water level in the big tank and in the pipe will be the same)
2. Water level in big tank and pipe would be the same regardless of pipe size (red)
Thanks
In a lab session we were investigating the LC tank circuit of a superhet radio. The tank consisted of a ferrite coil antenna connected in parallel with a variable capacitor. A signal generator was connected to a second ferrite antenna (the drive antenna) and placed close to the first in order to...
Hello there,Could you explain to me how to calculate the pressure on the lateral sides of a tank?
[PLAIN]http://desmond.imageshack.us/Himg42/scaled.php?server=42&filename=unleddrw.jpg&res=medium
according to the textbook
P=L/2(ρg)
but I don't understand where this relation has come from...
A cylidrical tank (R= tank radius) filled with a liquid with an opening for the insertion of pressurized gas on top and an exit hole on bottom (r=exit hole radius).
Plot the Height of the liquid as a function of time and exit radius.
Gas pressure=const.
No swirl (1D analysis)
Any...
Homework Statement
In the figure, where would be the most effective location to place the water hammer amestor (surge tank)?
-Location A
-Location B
-Location C
-Anywhere would be fine
-Do not care
-A combination of the above answers.
Homework Equations
N/A
The Attempt at a Solution
I...
Hi guys
This is my first post here. I studied physics about 15 years ago and some weeks ago I realized that I'd forgotten most of it. So these days I'm playing around with physics just for the fun of it. So, I got to the subject of heat transfer, and though I would like to learn some more...
Homework Statement
Suppose a large gasoline tank has the shape of a half cylinder 8 feet in diameter and 10 feet long. If the tank is full find the work (W) necessary to pump all the gasoline to the top of ht tank. Assume gasoline wights 42 pounds per cubic foot.
Homework Equations
W=...
1. Suppose we have a tank partially filled with water. There is a pipe
feeding water to the tank as a variable
ow rate and there is also a drain
pipe with a computer controlled variable valve hooked to a sensor in
the tank. The valve opens exactly enough to let water drain from the
tank...
Homework Statement
"Oil weighing 9000N/m3 is to be pumped out of the top of a horizontal cylindrical tank of radius 5m and length 15m. Set up an integral to find the work required to pump out the oil to the top of the tank if the depth of the oil is 4m."
Homework Equations
I used y =...
Hi there.
I have trouble setting up an ODE for a hydrogeologi problem. I have attached the problem and my answers as pdf as they contain diagrams and graphs to help describe the problem. Hope that someone can/will help me. :-) Thank you.
-Rasmus1. The problem is attached in Eng04-2010.pdf
2...
Homework Statement
a) Determine the impedance of this circuit.
b) What is the impedance when \omega = \frac{1}{\sqrt{LC}}
Homework Equations
The Attempt at a Solution
EDIT: I got the Z wrong. It's Z = \frac{L}{C(j{\omega}L - \frac{j}{{\omega}C})}
For part b, I'm...
Hi everyone, lately I have been wondering how I could make a pressurized tank to test how waterproof my watch is - I am not keen to pressurize air, I figure it would be safer doing it with water. Any idea how you could do this DIY style at home?
The best I could come up with is a tall...
Hi there, I've been looking at some of the drainage equations i have found aroundthese forums and I am struggling a lot to understand. I am 13 and good at maths, where i struggle is reading the advanced equations and figuring out what some of the posters mean.
Basicly i have a tank 50 cm...
I have a tank (actually a PVC tube with an end cap) that has an interior diameter of 86 mm. It stands on its circular face. Coming out near the bottom of the tank at a right angle is a metal pipe 11 mm in diameter (interior) and 312 mm long (in total that is, note that some of the pipe is...
If a lc resonant tank circuit is disconnected from power how do you determine the length of time it will oscillate.
L=1 henry, 500 ohms
C=50pf
Fres=22,507 hz
We have a cylindrical tank of known dimensions. Attached at the bottom is a pipe perpendicular to the tank of known dimensions. We fill the tank with a liquid and let it drain out through the pipe. What formula will predict the volume of the tank at any time t? I believe the Hagen–Poiseuille...
I recently simulated a parallel resonant tank circuit on multisim.
I put an oscope across the tank circuit and I get an AC signal, but what interests me is that it is amplitude modulated. The oscillations slowly build up in amplitude, hit a peak and then die back down.
I think that the...
Help with Tank problem-- NOT TYPICAL
It's been a few years since my last experience with differential equations so this is giving me some issues... Any and all help is appreciated.
Problem:
A 65 gallon tank has 20 pounds (or ~1 gallon) of sand in it with 35 gallons of water (completely...
hey guys,i want a level sensor for a tank, a big industrial one, contains pulp for paper industry, i don't want a continuous data stream, just if it's under a certain level, turns on a pump, and if its over another certain level, turns it off, tell me the type of sensor, and the best...
Homework Statement
A sealed tank is completely full of water. The water in the tank is stationary. The gauge pressure at the top of the tank is 150 kPa.
A mechanical failure of the tank creates a hole of area 1.00 cm2 at the top of the tank. Water flows out of the hole, rising in a vertical...
Homework Statement
In a large water tank experiment, water waves are generated with straight, parallel wave fronts, 3.0m apart. The wave fronts pass through two openings 5.0m apart in a long board. The end of the tank is 3.0m beyond the board. Where should you stand, relative to the...
Hey,
I've built a Cold Gas Rocket using a Co2 tank that stores liquid C02 at room temperature around 850 psi. (A Cold Gas Rocket is a rocket that uses a pressurized tank to propel the reaction mass instead of combustion, essentially just open a scuba tank and that's a very dangerous (not the...
Hi,
I have a garden which I water with the help of a garden hose, which drains water stored in a overhead tank (water tank at a certain height). Here is what I observe - when I partially close the tip of my gardern hose, the velocity of the water increases and hence the water reaches farther...