how to control motor load with rpm or vfd
The Motor speed can be controlled through a closed loop system (i.e. PID loop) with either process value of its speed.
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Why shield is not connected at both end.
Paper Details: company -- Hindustan Copper Limited post -- GET 2008 Date -- 03.08.2008 Dept.-- Electronics?Instrumentation Aptitude -- 70 Technical-- 80 Total Time -- 2hr 30min I have listed the question I could able to remember 1. BCD equivalent of 43 2. value of K for stability of a system from a given equation 3. transformer connection for darlington connection 4. damping of balastic galvanometer 5. advantage of chart-pen recorder over CRo 6. CRO - how to change bandwidth 7. questions on CRO construction 8. reverse saturation current of si diode 9. advantage of wire wound resistance over carbon resistance 10. core material for a small coil 11. max fanout-- TTL/ECL/CMOS/MOS 12. component of resistance of monolithic IC 13. functions of capacitors in multivibrators 14. to change a sawtooth signal into a square wave we use-- schmit trigger/ schottkey diode/ zener diode 15. relation b/w á & â in transistor ckt 16. function of SiO2 layer in fabrication 17. 3 questions on ODD MAN OUT
Troubleshoot to the device level basic process control systems given the Process and Instrumentation Diagram?
Control valve question what is the meaning of cauge.?what is the use of cauge?
Working principle of magnetic flow meter ......and calibration procedure of e+h magnetic flowmeter...
how we are selecting instuments by differentiating certain instruments in 4 to 20 ma range and certain in 1 to 5 v dc
why relays are used with plc?
if change the pid in D value so what action.
Somebody ask me how many size of control valve what is mean of control valve size?
i have used level transmitter in starch cooking preparation tank. tank total height 2mtr.sometime LT display shows some error value when tank is fully empty and diaphragm side i already checked okay no problem in diaphragm area. field cable checked 24volt and mA shows correct value while tank empty mA is 4mA. 4mA i needed that 0% but display showing 10% or 15% percentage values are varying continously please give any good solution for me.....
what are the following documents comes under loopchecking
what is puling in n pulling out in flame scanner system?
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