Previous Year Very Short Questions of IPLC (DIPLOMA electronics and communication engineering 5th)

Instrumentation and plc

Previous year question paper with solutions for Instrumentation and plc

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  1. OP-AMP stands for …………..
  2. LCD stand for………………….
  3. Plc stands for……………………
  4. ……………… is a device which converts one form of energy into another form of energy.
  5. The internal resistance of the ammeter is …………………..
  6. The thermo- couple is a junction of …………….. metals.
  7. Instrumentation is a …………………. Loop.
  8. CMRR stands for …………….
  9. Ideal OP-AMP has …………… input impedance.
  10. To measure the current in a circuit the ammeter must be connected in ……….. in the circuit
  11. ……… is the final stage of the basic measurement system.
  12. Light emitted by a LED depends on ……….. .
  13. The resistance of a thermistor increases with the …………. in temperature.
  14. A piezoelectric transducer converts ………….. to voltage.
  15. LVDT Stands for …………..
  16. Instrumentation amplifier is a differential amplifier with extremely ……….. Input impedance.
  17. CMRR Stands for ………….
  18. In recorders, paper drive system should move the paper at ……….. speed.
  19. The ………. Is the heart of PLC system.
  20. Every PLC has ………… for identifying incorrect programming and misoperation.