naveed


{ City } karachi
< Country > pakistan
* Profession * instrument tech
User No # 46318
Total Questions Posted # 4
Total Answers Posted # 4

Total Answers Posted for My Questions # 5
Total Views for My Questions # 25844

Users Marked my Answers as Correct # 70
Users Marked my Answers as Wrong # 20
Questions / { naveed }
Questions Answers Category Views Company eMail

why we use double acting valve and where?

Aker Solutions,

1 Instrumentation 9432

what is absolute pressure and where use in process?

 3 Instrumentation 7517

why we use -ve voltages in vibration prob?

 1 Instrumentation 7131

what is interface level and how it is calibrate?

Instrumentation 1764



Answers / { naveed }

Question { Ariba, 197940 }

what are active and Passive Components?


Answer

Active
The elements which are capable of delivering energy are called "Active elements".Examples of active devices are Transistors, Triacs, Varistors, Vacuum Tubes, relays, solenoids and piezo electric devices.

Passive
The elements which will receive the energy and dissipate or store it are called "Passive elements".The three linear passive elements are the Resistor, the Capacitor and the Inductor. Examples of non-linear passive devices would be diodes, switches and spark gaps.

Is This Answer Correct ?    0 Yes 0 No

Question { Essar, 37575 }

1 bar is equal to how many pound per square inch(psi)?


Answer

14.52

Is This Answer Correct ?    11 Yes 15 No


Question { Cadila, 9807 }

What is cv of control valve


Answer

coefficient valve
one cv equal the flow of one u.s galleon(3.8 litter)per minutes of water at 60 F under a pressure drop of value of 1psi.

Is This Answer Correct ?    10 Yes 0 No

Question { Chevron Phillips, 41622 }

how can we calibrate RADAR LEVEL transmitter 0% to 100%


Answer

we can not calibrate radar level transmitter only add jest parameter empty calibration,full calibration,blocking distance ,safety distance and other parameter.

Is This Answer Correct ?    49 Yes 5 No