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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 Instrumentation 4913
why 4 to 20 ma ,why not 0 to 20 or 3 to 15 or anything
Answer
broken ckt or any other error in ckt and actual min current
value.
b'coz for broken ckt or any other fault in ckt the current
o/p will be 0. means no current. but when it is 4 , then it
is the min o/p of the ckt and the ckt is running properly
both is confirmed.
the upper limit is a conventional one, no such reason behind
it. but it is a value practically can be achieved by the
designer easily.
4-20 ma could be taken it is followed by all manufacturers.
| Is This Answer Correct ? | 94 Yes | 18 No |
Question { 6239 }
How can you convert an SR Flip-flop to a JK Flip-flop?
Answer
| Is This Answer Correct ? | 3 Yes | 11 No |
