How does fuel delivery nozzle detect the fuel level and what device is being use to stop the delivery.?
475654
Usually a small tube inside the delivery nozzle, which normally is not submerged. When it becomes submerged, that triggers the valve to shut off. This is explained in detail in the ref. \nIn some home oil tanks there is a whistle driven by an air pipe from the tank. The bottom of the pipe is a few inches (25 gallons' worth) below the top of the tank. The incoming oil displaces the air which blows the whistle. When the bottom of the pipe gets covered by the oil the whistle stops and the oil man wakes up, one hopes.
470909
There is no such signal. The problem is that no signal appears\nalways to signal the end of the run. And if a signal does appear it never is 100% thrustworthy. \n\nThe best you can do IMO is to be a trend follower. Place your stop at a Moving Average of your choice, at a percentage of the highest high reached during the run-up, or at an x-day low.\n\nGoing in and out of a stock in stages helps too.
658125
It has it's flammable state...Try to imagine it as a fuel air bomb.Thn there you will get your Idea.
93225
The gas is under pressure, so when you press the nozzel the liquid ....mmmmmm better a picture than words..\n\n http://www.aerosol.com/
189434
Do a heat balance on all of the energy going in and all the energy going out. on the output side that portion left over after measuring the shaft output and the portion going out as exhaust gases is due to friction.
919843
There's a sensor hole at the end of the nozzle that shuts it off at the first hint of backwash
363367
something really harsh like paint stripper would have an effect as its quie volatile. if you can pour a flammable liquid into the tube such as petrol etc this will light from a distance but be super careful
1169082
While I was reading the question, my wife asked me to buy 5 liters of kerosene urgently.\n\nI went to the shop; the vendor had kerosene in a barrel; I asked him to empty 5 liter of kerosene from his barrel.  He poured 5 liter of kerosene in my 10 liter can. \n\nHe told that he has emptied 5 liter of air from the can.  I paid him for having emptied 5 liter of air from the can. I also checked whether 5 liter of air is filled up in the vendor’s barrel.\n\nComing home I saw the answer page ¾ empty. To my part I thought to fill the page with some answer. This is the result.
738523
Releasing gas is natural.  It is either coming out from the top(belching)  or the bottom (passing gas).
155896
have to know what kind of engine you have in it? Aparently it's sucking air around the primer pump, the filter or in a fuel-line or somewhere else. Just depending on the engine type...Also maybe the filter isn't tight enough..It's getting air before the pump....may need to bleed the injectors to get the air out..
1138430
Not a good question. Power is related to the volume of fuel/air mixture.
394450
there are different type of pumps but basically the pump is rotated by motor. fuel flows into the pump and by pump's rotation, its outflow will have higher velocity.
800363
!!!!! THIS EVENT HAS BEEN RETRACTED. THIS EVENT HAS BEEN RETRACTED !!!!!\nPower Reactor Event Number: 42914\nFacility: HATCH\nRegion: 2 State: GA\nUnit: [1] [ ] [ ]\nRX Type: [1] GE-4,[2] GE-4\nNRC Notified By: BARRY D. COLEMAN\nHQ OPS Officer: JOE O'HARA Notification Date: 10/17/2006\nNotification Time: 17:02 [ET]\nEvent Date: 10/17/2006\nEvent Time: 10:21 [EST]\nLast Update Date: 11/17/2006\nEmergency Class: NON EMERGENCY\n10 CFR Section:\n50.72(b)(3)(v)(D) - ACCIDENT MITIGATION\nPerson (Organization):\nJAY HENSON (R2)\n\nUnit SCRAM Code RX CRIT Initial PWR Initial RX Mode Current PWR Current RX Mode\n1 N Y 100 Power Operation 100 Power Operation\n\nEvent Text\nACCIDENT MITIGATION - HPCI SYSTEM INOPERABLE\n\n"Unit HPCI system declared inoperable. During performance of the quarterly surveillance, HPCI pump operability, the HPCI system was secured when the "HPCI Turbine Oil Pressure Low" alarm was received and confirmed. Turbine governor end bearing oil pressure was 2 PSIG. The alarm setpoint is 6 PSIG and procedure limit is 10-12 PSIG. Pressure adjust valve was throttled open to raise pressure to 11 PSIG. The HPCI system was not immediately declared inoperable since an evaluation was being performed to determine if 2 PSIG turbine bearing oil pressure was adequate. Evaluation by the vendor will not be complete until 10/18/06. At 1655 hours, HPCI declared operable after a successful run with adequate oil pressure. HPCI is a single train system."\n\nThe licensee notified the NRC Resident Inspector.\n\n\n\n* * * UPDATE PROVIDED BY NRC ON 11/06/06 AT 1106 EST DUE TO EVENT ENTRY ERROR * * *\n\nOriginal report was entered in error on 10/17/06 with Unit 2 versus Unit 1. Changed EN #42914 to accurately reflect the affected unit (Unit 1).\n\n* * * RETRACTION PROVIDED BY E. BURKETT TO KOZAL ON 11/16/06 AT 1039 * * *\n\n"EN #42914 was submitted by Southern Nuclear Operating Company based upon a conservative decision to declare the HPCI system inoperable pending further evaluation to support its operability. Southern Nuclear Operating Company retracts EN #42914 based on the following discussion.\n\n"During a subsequent review of the parameters by the HPCI Turbine Vendor, Dresser-Rand, and site engineering it was concluded that the HPCI system would have been capable of performing its intended safety function with the lower turbine governor end bearing oil pressure.\n\n"During the operation of the system, the visual local indication was approximately 2.5 PSIG oil pressure at the governor end bearing. A review of the data showed that with a governor end oil pressure of the procedural minimal of 10 PSIG, the predicted oil flow rate would be 1.08 gpm with a minimum film thickness of 0.48 mils and a maximum bearing temperature of 228 deg F. With a degraded oil pressure of 2.5 PSIG, the predicted oil flow rate would be 0.54 gpm with a minimum film thickness of 0.46 mils and a maximum bearing temperature of 233 deg F.\n\n"Based on the calculated data, the turbine governor end bearing would have performed satisfactorily for at least 8 hours at an oil pressure of 2.5 PSIG. Using the design basis success criteria, HPCI operation is successful if the system can inject water through the core Feedwater line for a total of 4 hours over a 24 hour period. The 4 hour mission time for HPCI is based on the design basis - if HPCI fails, it is backed up by the Automatic Depressurization System (ADS) in combination with Core Spray and Low Pressure Coolant Injection. The HPCI system is not credited for long term injection or late injection.\n\n"Although the oil flow rate was reduced by 50% and the minimum film thickness reduced by 4%, the bearing temperatures were predicted to only increase a maximum of 5 deg F. Supporting this conclusion is the fact that the bearing was not damaged during the operation with low oil pressure when the turbine was run for 9 minutes at 2.5 PSIG governor end bearing oil pressure.&quo
825040
a simple system would be a float connected to the valve like in the back tank of a residential flush toilet.  This does not maintain precise level- the tank goes nearly empty and then spends some time refilling.\n\nprecise level control like in an chemical process situation would have a level sensor with a 4-20 milliamp output.  as the level changes, the output signal gets stronger and stronger.  The contorller opens the valve a little on a weak signal and the valves opesn more fully as the signal gets stronger.  This of course was based on a control valve to fill the tank.\n\nyou could do a similar methodolgy on a tank draining valve- as the tank fills from some other source the valve opens and lets liquid out to maintain the level.
239798
The knock sensor is located on the passenger side of the Block in front of the Starter. When it senses knocking/pinging it Retards the Timing to compensate. It only affects the timing, and, if it not working your engine will knock sometimes Accelerating or going up hill. You can use a Higher Octane Gas to stop it, sometimes.
97066
stop a bit before it is arriving.... easy...simple...
284055
EFI is Electronic Fuel Injector.  Yes but what is it?  It a electronic controller that sprays fuel into the chamber and controls the air for combustion so that when you push gas, you see a quick response.  In the old days, they used carburator and there was a little "butterfly" mechanism so that when gas throttle is pushed, it opens upto take more air for combustion.  Now it was never optimal so that you could smell gas (too much and not burning fast enough).  EFIs ar enew electronically controlled and suppose to enhance fuel efficiency.  Someone with more automechanic tbrain will come and correct some views but overall this is what it is and it does.