How many ohms are required for proper earthing?

0 Answers  

---

please explain about actuator action? direct action & return action ?

1 Answers  

---

testing of thermo-couple?

3 Answers  

---

(1) In turbine, what does term CDP, NI, NH, HSSOC, means. (2) What is the purpose of LO overhead tank in turbines.(3) An equipment is certified for EEX, IA, IIC,T6, what do you under stand by this.(4) what is SURGE, and how it is prevented, what is the purpose of bypass valve across AS valve.(5) Give 2 application of quartz crystal used for process parameter measurement.(6) what is meant by cold float of compressor shaft. (7) state four different types of flow measurement. For gas flow measurement mmscfd is the common unit. Expand the unit and specify significance of word S in the unit.(8) what is meant by Gap voltage, in vibration measurement. Normally how much Gap voltage is set and state the reason.(9) what will the new flow factor if D/P transmitter is Re-Ranged from 25” wc to 50” wc.(10) what is the usage of QDV & Volume booster.

0 Answers   ADMA OPCO,

---

How will you change the action of a control valve?

1 Answers   CCIE,

---

what is control valve and how is work

5 Answers   Descon,

---

How much voltage we are using at switches?

4 Answers   Edac,

---

Witch type cable use for rtd ,why?

2 Answers   Sugar Factory,

---

What is the purpose of valve positioner. Explain 4 uses.

2 Answers   SRACO,

---

In vortex flow meter how can measure the frequency of vortex generated by vortex flow meter

4 Answers   Cadila,

---

why we use condesiate parts before tranmitters?

3 Answers  

---

what is ZERO SUPPRESION and ZERO ELEVATION?

3 Answers   Reliance,

---