please send me hpcl placement papers13 13483
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 OUT2 3797
what happens when the profibus fails while in operation (operation of a valve)?5 8942
Difine flashing , Cavitaion & Noise? how to minimize these effects3 6440
How is plc installing done3 5290
tell me about the instrumentation,what is the actual need of it ?what are the characteristics of a IC engineer ?11 9834
any body tell me ,contol valve has how many cheractristic? explain it.6 6602
what is the difference between PLC & DCS16 19334
In Increasing temperature why thermocouple used and RTD is not used. Both RTD and Thermocouple have in Range of uses.5 10518
what's the minimum level required of SIL (safety integrity level)to use fire and gas system?2 4705
What is trim material . Why it is known as trim.1 4612
what is the different between plc and dcs ? I know full name of this two but I want to know what structure and working style and speed I/O capacity and controller difference?2 13381
how we can calibrate an Interface level transmitter online2 6962
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we all know voltage is a force(emf), and the force always devides if 2 or more than2 loads are there but why does the voltage remains same is parallel, it must devide na ???