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why direct mounted pressure transmitters is always installed with DBB ( double bleed block) valve in process line or top of the tanks ?
2053In control valve , Failure position : Close If it is Fail close(FC) during failure of AIR.. what will be the initial/ normal position of control valve is it normally open or close? please some one explain soon..
2 11316how can we understand about dcs "bailey infi 90 dcs system" . how its work how signal come from field how it process and how o/p creative by controller. how its cards work.the bsic principle of working of dcs
1 4212we have earthmat at 110KV substation.we would like to take earth resistance.b some says that by connecting earth megger terminals (C1,P1) at middile point of earthmat (at riser) will cause voltage gradient at other earthmat nods and dont get exat earth resistance.when connecting at end nods will get exat value . is it correct .please explain
2218I have a small system with two motors that are running on 380 vac, 60 hz. These motors are expensive and I usally get them from Brazil. I am adding another motor to the system, but I want to purchase a 480 vac, 60 hz motor to use. It will be on a VFD that is rated fro 380 thru 480. Is this posible and will I have to use a larger motor and derate it?
1978why we take 4 to 20 mA as out put of every instrument like pressure transmittre ?why we cant take 0 to 20mA as output?
6 10984
can u perform addition of two octal numbers using java?
how pt is using
If specific gravity of cement is less than 3.15 what is the cause?
/bin/bash is missing.
What are the disadvantages of bjt?
Can you pl explain the procedure steps of singly and doubly reinforced beams in limit state method
what medal conducts heat best?
What is acsr cable and where we use it?
When can we take Neutral as common neutral link?
When awas anti - tank missile ‘ nag ’ test fired?
Please define ampere?
How we calculate DC inducation moter Amp? Sir pls give me formula......
1 “earthing” for bonding of equipment and circuits to common plant earth electrode potential, 2 “protective earthing (PE)” when this bonding is required for personal safety provisions 3 “grounding” for interference suppressing bonding of screens, sys-tems with ground level 4. low-impedance earthing ? 5.primary earthing system and secondary earthing system what is that? 6.earthing electrode or mesh net earthing electrode ? very confusing , simple but very informative help required ? i will be very very thankful to you guys.
respected sir/madam.. i wish to know about the latest mechanical inventions and improvements... hwere can i get them... please respond to me through my id
what is mail role & relationship between senior Civil engineer to consultants , Construction manager ,project manager, project engineer ,Technical engineer & qa/qc engineer ? what is the responsibilites of Senior Civil Engineer?
