What is the relationship between the universal gravitational constant (G) and the acceleration due to gravity (g)?
3 34749Identify the electrical variable that is either directly or inferentially used by various instruments to determine the value of a measured variable.
4 8443Describe how to calibrate various types of instruments and transmitters using ISA industrial consensus standard techniques.
4 14210Troubleshoot to the device level basic process control systems given the Process and Instrumentation Diagram?
2 9431Convert a pressure, level, flow, or temperature process variable value into the appropriate pneumatic or electrical value given different types of instruments.
6 19758Determine the manipulated variable, controlled variable, and the measured variable given a description of various typical industrial processes.
6 39691How to set up the various advanced process controllers, input the proper parameters, and tune those controllers given related control system information.
1 5185Technician A says the brake warning light is connected into both the parking and service brake systems. Technician B says the brake warning light will come ON only if the service brake system fails. Who is correct?
2 5571If a warning lamp will operate with the ground circuit is bypassed with a jumper wire to ground, what should you check?
1614Technician A says that a fuel tank sending unit will have a high resistance only when the tank is full. Technician B says that its resistance when the tank is full depends on whether the sending unit is designed for use with a bimetallic gauge or with a magnetic gauge. Who is correct?
3 7542Post New Instrumentation Questions
A length of steel pipe is used to carry sea water to a desalination plant. An adequate corrosion allowance must be specified and indicated in the piping specification, which affects the _________________________ of the pipe
Why trim span ? How?
List three types Level Switches with their working principles
can you provide me full detail about instrumentation in ONGC??
I installed the smartplant instrument v8, but can not be opened, that always said: "INTools 2007 hardlock no found". So Could you help me how to do for that?
what is the imbustion control loop
How to Calibrate Flammable gas detector in field
What pressure results for a flow transmitter of range 0- 180t/h in the dcs and 0-301mbar in the field using square root extraction. Kindly also suggest formulae for the percentages 0,25,50,75,100?
what is installation and commissioning of (fat & sat) of power plant dcs ? this question keeps in desirable conditions of one company .
How does work A temperature valve or fv control valve in process plz brief me
Why use ball valves on Gas pipelines instead of gate & or globe valves...means basic diffrence or use of these valves..how designers knows this type of valve with rating is required...
what is the procedure of O2 sensor(ABB) calibration?
Why does a pressure gauge installed on reactor, doesn't have any vent line below to release the pressure? Is it any kind of designing mistake or it actually does not require any vent line? And if it does not require any vent line below it then how we are gonna release the pressure built inside the pressure gauge?
I am having a Phoenix digital to modbus converter. The o/p of the same is connected to flow computer FB407. But the digital signals are updated only after one minute in the flow computer. what may be the cause of delay in communication? Flow computer is having a scanning period of less than 1 sec.
send me model hpcl questions pleas..........my mail id mohideen.dharvesh@gmail.com