What is the cascade control system and where is use in power plant give the detail with block diagram
1 2227Why ues 250 ohms Resistor during hart type instruments calibration with hart protocol in details ?
5 11441we have LPG spherical Tank and we want to install DP Xmtr for level measurement.below are the physical measurements Total height of tank is 1850 mtr but 0% level is 1000mm above bottom and 100% level is 450 below upper side.What is the LRV and URV and please mention the formula .The SG of LPG is 0.53 and Wet Leg method will be used.
7 10224If an Instrument has 550 ohm internal resistance and the cable used for that instrument is 0.5 ohm per meter resistance. If the voltage is 12volt.How much length cable can be used? Please tell me its Calculation formula.
MOL,
5 7908what do you mean by Loop checking ? What are the cold loop check and hot loop check? what are the difference between these two loops?
1 7482If a transmitter is installed 10 m below its tapping point how much pressure exerted if fluid is water?
10 12966How to calibrate a temperature transmitter & how a Cold junction Compensation will be carried out?
2 7143Post New Instrumentation Questions
what is cold loop? difference between hot and cold loop?
what is intrinscily safe system and where we use?
What is the basic difference between Modbus and CAN Open Protocols
a flow transmitter [range-0-400mbar] connected in process line. please explain me how to calibrate the flow transmitter , & how to do static error
hii my name is sujith...i am preparing for HPVL GET 2010... so ,,,pls help me by send any previous questions or material to my site.....(Msujith_12@in.com) thank q
State four different types of flow measurement, for gas flow measurement MMSCFD is the common unit expand the unit and specify significance of word S in the unit.
How to fix back the valve actuator stem
please tell no. & add. of consultancy who recruit me in power plant as instrumen engg. present i m working in power plant as ass.t instrument engg. thanku mahesh 09226562826
Why all the drains(Gland sealing,ESV,Casing inlet etc) are directly connected to the flash tank instead of hotwell of the condensor in the power plant? My Email Id:naba02222@gmail.com
How vortex sensor used for steam flow measurment can be checked on line i.e without taking out from process line.
What is the use of control cable?
What is profibus?
3. Differentiate between ultrasonic flowmeter and radar type flow meter.
How hart protocol can be connected with control valves?
How INtools is useful for routine Instrument maintenance?