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Topic :: Pressure
For the calculation of bearing pressure below the footing, to know whether it is below the safe bearing pressure of the soil, the unit of RCC below ground level to be taken is 25 KN/m3 or (25-15)KN/m3, where 25 is the unit weight of RCC and 15 is the unit weight of soil and whether the weight of backfilling to be taken?
2234Difference between Relief valve & pressure reducing valve ? Can we use pressure reducing valve instead of pressure relief valve ?
6 27100In foundation design, while we do the base pressure check, we normally check if the attained pressure value is less than the GROSS BEARING CAPACITY of the soil which is the sum of net bearing capacity of soil and the overburden pressure. Actually, the overburden pressure acts against the net bearing capacity of the soil and I feel that we are actually increasing the bearing capacity value and doing the check. I feel that this is NOT right. Please clarify on this.
2215how does we calibrate a square root flow transmitter ,give an example and explain it step by step like range calculation , calibration hook up series connection , zero check , and how to apply pressure , and if not geting proportional output then what should we do ?
5629Calculate the maximum pressure drop that can be allowed to occur across a control valve, so that we can prevent cavitation / flashing from occurring. Use the following formula: Δ P allow = Km (P1 – PvapourA) where, Δ P allow - the maximum allowable differential pressure for sizing purposes, or terminal pressure drop; Km- the valve recovery coefficient from the manufacturer’s catalogue; P1 - absolute inlet fluid pressure; PvapourA - absolute fluid vapour pressure at the inlet temperature; Use Atmospheric pressure = 101.3 kPa, P1 = 1200 kPa(g), PvapourA = 4 kPa, KM = 0.72
2154A pressure Tx accuracy is 0.2%. Signal o/p is 4-20ma.span is 16 Ma.how many deviate the o/p then calibration needed
1 3756The pressure class rating (such as 150 lb, 300 lb, etc.) of a line appears in the form of ________________ in the Line Number (or Line Designation) on a P&ID
1 4495
Calculate how much oxygen is dissolved in 100 milliliters of blood if the blood is exposed to a partial pressure of oxygen of 120 torr?
please provide me the calculation for the thickness of duplex stainless steel pipeline thickness used in process industry ( Water). The details are given below. Diameter : 3" and 4" Thickness : 3.91mm, SCH40 Operating pressure : 62 bar Operating Temp : 35 degree ASME31.3
How to calculate flow of water delivered by pump when pressure & size of pipe line is given
If Nasa where to sink a large tube down a few miles into one of the deepest parts of the ocean or a spiral tube not so deep. Then fit electromagnetic monorail running gear to a sledge and then put a space cargo vehicle inside the sledge. With ball valves to compartmentalise the tube off to keep a constant pressure with inert gases as the space shuttle accelerates using electromagnetism to gain altitude and then loses the sledge. Next fires it's main rocket engines to carry on up to space. Would this idea work and would it save money on fuel if the space cargo vehicles where only say 5 ton cargo holds. Also they could be reusable with their rocket engines.
please post answers as fast as you can i am in a urgent need for an i nterview in a fashion company. 1. Briefly describe your ideal job? 2. Why did you choose this career? 3. What goals do you have in your career? 4. How do you plan to achieve these goals? 5. Can you work well under deadlines or pressure? 6. Tell us about a time when you failed to meet a deadline.What were the repercussions? 7. Do you have reference list? 8. Why do you want to work here? 9. Why should we hire you over the others waiting to be interviewed? 11. How soon can you travel down to start your new Job?
what is the procedure to callibrate temp controller ,pressure controller,etc. suppose a temp controller showing error 1.5 degree centigrate how can i minimize it.
1)what to do in emergency situation of having total blackout (on a ship) 2)what to do in emergency situation of flooding in the engine room 3)under what conditions would engine room bilges be pumped overboard? 4)why is high pressure required for the injection of fuel into the cylinder of diesel engine. 5)why is doubled walled pipes employed for high pressure fuel lines? 6)reasons for overheating of main engine 7)how to detect choked fuel valve,leaky piston rings and their remedies during operation in diesel engine? 8)effects of insufficient or excessive cylinder lubrication? 9)causes of a diesel engine piston overheating.
Giraffe in Arabic means "the highest of all." The height of a giraffe is an average of 5 m, its mass is about 800 kg and hooves is an area of approximately 625 cm2. Using a straw from a material nedeformabil a giraffe trying to drink water from a lake, not to condescend. What is the ratio of the minimum pressure to be applied giraffe, mouth, at the end paiului to drink water and pressure of giraffe on the ground. The density of water. g = 10 m/s2
What is the pressure in co2 cartridge in a DCP 5 kg extinguisher.
What is critical pressure ?. What will happen if water is heated above critical pressure and temperature?. What importance it is having related to Boiler?. Upto what presrure natural circulation is possible in Boilers?.
MY generator water cooler inlet line height - 11 mtr inlet water line height - 7 mtr water come into the line from overhead tank, O/H tank height - 20 mtr the first tapping in the inlet line is 2" line which down to 4 mtr level plateform., second tapping in inlet water line goes to a pump 6" line installed at 4 mtr level plateform, pump capacity 200m3/hr, head- 30 mtr, hp-40. the outlet of pump of 6" water line connected to a header of 6 mtr long of 6" line, on this header the six tapping are connected, 4 nos. 3" line goes to 11 mtr height water cooler the pressure of the line is 0.15 to 0.25 kg/cm2, 2" and 4" pipe line connected to a cooler at 4 mtrlevel plateform. my question is, at 11 mtr height level the quantity of water and flow is not sufficient for my cooler, the temp. of cooler is rises much more. you are requested to suggest the modification of pipe line/ pump for take more water flow and pressure (desired pressure is 1 kg/cm2)
If you have a valve with an applied pressure, how do you determine the stress to the closed and open valve?
If you have a fuel valve with a pressure applied, what is the stress to the open and closed valve?
CAN WORK WELL UNDER DEAD LINES OR PRESSURE?
In a Furnace arch pressure is more than Hearth pressure,then how flue gas travels to stack
