any body please send me the old question papers of ongc test.

2153

How addressable fire systems work? Pl. send details with architect.(Loop), also send details regarding Gas system. Pl. help me.Thanks

2155

Displace type LT to be calibrated in workshop, wt. 40, dia- 60 mm, density- 0.8kg/cm3.

1926

how to calibrate mass flow meter (Coriolis)? Example calibration range: 0 to 2500 kg/hr line size 3" fluid: Etheline glycol (MEG)

2741

What is Cavitation in a control valve?

2126

What is the advantage of using locally fabricated hook ups over Pre fabricated hook ups in process instrumentation?

2094

What is the main difference between Cavitation and Flashing?

14451

what is difference between HOT permit and cold permit

2288

what does it mean an active front end in vfd plz explain it briefly

1942

I need control valve ISA hand book. Is there any site to download that big book containing all the pages. Written by Paul Friedmann

2304

The company where I am working, their is rosemount 5400 series radar type level transmitter, it is meant to show level of filled tank, but along with the level it is showing temperature also, so my question is how a onon-contact type radar type level transmitter can show temperature even if it does not have any contact with the fluid?

2332

Explain operation of Haskel pump.

2241

field bus transmitter calibration procedure tell me

1881

How hart protocol can be connected with control valves?

1106

dear friends, i have seen flow as the selection critriea in presure guage (bourdon tube) and i would like to know what is the relation between flow and performance of pressure guage other parameters i found in the data sheet are pressure max. 1ksc temperature max. - 50 deg c line size - 80NB operating range - 1ksc pr. guage range - 0-2 ksc thank u,

2220