Explain about SOURCING & SINKING concepts in PLC to field sensor wiring ?

4 Answers   GATE,

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why we are using 4-20ma why cant we use 4-40ma

3 Answers  

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defination of plc? why we use plc? application of plc? advantage of plc?

4 Answers  

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which is the best type to measure level of a Tank(water). Displacer or Differential Pressure method?

2 Answers  

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Can Any body tell me how to check Modbus Settings in ER300N L&T trivector meter?

0 Answers  

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what is mean by loop checking?

8 Answers  

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what is the difference between the microcontroller and PLC?

9 Answers   HAL, Havells,

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What is DDC-MIS?

3 Answers  

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what is the formulae to find the thermocouple output to temperature

5 Answers  

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what is difference between fork type and capacitance type level switch. where it is using

0 Answers  

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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

2 Answers   HCL, L&T,

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hi i'm an Instrumentation student,i have one doubt that we can call- > computer science as CS > Information science as IS > Electronics & communication as E & C In the same way what is short term for Instrumentation....?

11 Answers  

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