Answer / mathan

1.Inspection Test Plan must has Instrument tag
no,certificate no,type of instrument,serial no,manufaturer
name,Calibration range,calibrated details ie(%span,actual
value,scale value,%error),and other inspection details(yes
or no) like Process connections correct and
undamaged,Pneumatic connections correct and
undamaged,Electrical connections correct and
undamaged,Instrument in compliance with
requisition,Enclosure marked for area classification,Vendor
calibration certificate attached.

2.for ss tubing we need to submit the pressure
range,duration,mediaum, which is used for leak check.

5.loop diagram,input and output details.

Why Current(Ampere) is chosen as Fundamental Quanties not Charge(coulomb) ?

3 Answers  

---

what is performance test.need defination

0 Answers   Takreer,

---

why we are giving negative supply for vibration sensors?

3 Answers   Shell, Solex,

---

What is PLC(programmable logic control)?

1 Answers  

---

How much should be the values and/or percentages of these given below factors for a good controller ? Steady state error Delay Rise Time Overshoot Peak Time Settling Time Damping Oscillations & vibrations thanks

1 Answers  

---

---

how we can check level probe and controller

2 Answers  

---

the whole paper was based on Transducers..questions like define repeatability, error,accuracy,precision..den there were many q. on the conversion of Pa to mmHg and other units.. also..der wer few Q. on some level sensors(with diagram)

0 Answers   GNFC,

---

what is dedband in instrumentation ?

3 Answers  

---

1)how can calibrate temperature transmitter? 2)how can calibrate flow transmitter? 3)how can calibrate level transmitter?

3 Answers   ccic, Emerson, JK Pharma, NIGC, Rockwell, UltraTech,

---

what is a instrumentation ?

10 Answers  

---

What is the Main principle and formula for the steam flow compensation?

2 Answers  

---

how many types of elements are there?

1 Answers  

---