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Calculate 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
2211i install a DP transmitter of Faugi on drum level of boiler but i face a problem in it when i engergize the transmitter the meter shows 0 or 100% no variation in it.the distance of two points is 19.5 inches, i am in trouble please suggest me what can i do it's very urgent Please reply me as soon as possible Best regards ikraam haider
5 8065How can you derive a composite matrix for reflecting an object in 3D about any arbitrary plane characterised by normal vector N?
1 3515What are the reason of unbalanced secondary voltage of HT transformer 33kv/6.6kv ? Incomming voltage is balanced.33kv each secondary voltage 6.6 kv 6.4 kv 6.4 kv At no load conditions.
1 3849why the thermocouple is a transducer an Rtd is not a transducer both taking heat as a input and give millivilt and ohms plz give me answer
2 11771
How to Calibrate Temperature Switch in field
What is diff b/w TON and BTU for Air conditioner?
What is meant by bidirectional or half-wave ac voltage controller?
what are the major & minor faults that occur in an inverter and in UPS ? And how to repair and resolve them ?
I applied for Airport Authority of india's Jr Executive (Electronics & ATC).So please anybody Guide & Send me the Previous Questions and syllabus of written Test? My mailID :anshuljaineng@yahoo.co.in
Define unit atmospheric pressure? Difference between gauge pressure, absolute pressure?
WHAT IS THE DIFFERENCE BETWEEN FIX32 & WINCC
How much steam required for 1MW power production form 30 bar G super heated steam(350 C), outlet of turbine 4.5 bar
Define the terms Accuracy, precission, Spam, process tolerance while doing calibration of an instrument? Explaini with an example?
ongc recruitment sample paper for asst.technician technical
howmany electrician should maintain for a 1000 kva used plant... in kerala..
Propeller shaft is used for the purpose of a) Transmitting the drive from the transmission to the bevel pinion of the final drive b) Transmitting the drive from the crankshaft to the road wheels c) Transmitting the drive from the transmission to the road wheels d) Transmitting the drive from the crankshaft to the bevel pinion of the final drive
water leak detection system question & answer
what is power factor ? how we can calculate the low power factor and amount of capacitor for improve that low factor ?
what is the quantity of block work required to construct a compound wall of 6" thick,and 212 lenght
