what is the dp across a orifice plate & how much is
permanent pressure across an orifice plate.
Answer Posted / ganesh
1.DIFFERENCE BETWEEN UPSTREAM PRESSURE AND DOWNSTREAM
PRESSURE IS THE DP ACROSS ORIFICE.
2.PERMANENT PRESSURE ACROSS ORIFICE IS NOT FIXED.
Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
flow transmitter formula?
In control valve proximity inductive sensor is taken as digital feedback for full open and full close.Normally its volts 24v when the sensor acts the feed back voltage 14v so that our relay not indicating in plc panel . kindly give the solution.
send me model hpcl questions pleas..........my mail id mohideen.dharvesh@gmail.com
how we are selecting instuments by differentiating certain instruments in 4 to 20 ma range and certain in 1 to 5 v dc
Explain the working of rota meter.
How hart protocol can be connected with control valves?
how the arrangement of equipments done in control room
why any measurement made interms of pressure is more accurate ? to be more precise most of the flow velocity is made interms of pressure and it is accurate. what is the reason behind pressure measurement being accurate ?
How d.p. Transmitter can be applied to open tank?
what is the difference between active & reactive power?
How will you test a transistor with a multimeter?
What is the basic difference between Modbus and CAN Open Protocols
Derive capacitance to 4-20ma conversion formula / relation in capacitance type pressure sensor?
why direct mounted pressure transmitters is always installed with DBB ( double bleed block) valve in process line or top of the tanks ?
in valve is constructed as per SME B 16.34, then which standard is used for fire testing of valve?.