what is electric motorised valve working principle.
without color coding, without nameplate, without multimeter how can you find the type of thermocouple???
Explain level troll principle & interface level measurement.
How many problems can be occurring in solenoid valve? And how it can be rectified?
Explain how thw analog to digital converter works with the circuit diagram
Using your own examples solve a problem involving normal table. (experimental method and analysis)
How we can check the 2 wire proxy switch? & how it is connected to DI MODULE OF PLC?
WHAT PRINCIPLE OF GAS ANALYSER( CO,CO2,N2)
What is the minmum distance between the electrical panel and Instrument panel
How many ohms are required for proper earthing?
What is principle of ultrasonic level transmitter?
please send the drdo exam paper
1. what is 3 point calibration & 5 point calibration? 2. If we use hart communicator to set the LRV & URV of a smart transmitter, did we calibrate the transmitter? why? 3. Make a complet list if meterials needed to properly connect a pressure gauge to a steam pipe using 1/2 inch stainless steel tubing. The gauge connections is 1/2 inch NPT-M and the steam pipe tap has a 1/2 inch female coupling, compression fittings are use. 4. What are the tools in loop checking? 5. What would the ISA symbol of a square root extractor look like? 6. What would you do to completely prepare for the configuration? 7. What safety measures must you undertake when doing configuration? 8. what are the two most commonly use programming languages used when we configure a PLC? 9. What would you do if you accidentally skipped a step in the configuration procedure? 10. How would you know if the configuration were sucessful? 11. Name at least 3 selections available when we configure the burnout protection of a controller?
3 Answers EI Electrotechnical Institute,