1. HOW MANY MODE ARE IN UPS?

2. why we cant transmit the dc current easily ?

3. What is the Temperature Co-efficient of Resistance of PT- 1000 and PT-2000 ?   

4. What is Burnout feature in a recorder?

5. How to derive IO Count (AI, AO, DI and DO ) from a Field instrument (FI) Bill of Quantities (BOQ) given by client?

6. How many types of open loop control system are there in thermal power plant?

7. what do u mean by 2/3 solenoid valves?

8. what is virtual instrumentation?