what is the diffrence between pressure safety valve & pressure relief valve....pls

1720

Instrumentation Safe Guarding test. How to determine the interval time of the test. eg:Halfyearly,Every year,Every three years etc.

1638

There are two chlorination tonners both are connected to two pressure swithes and the pressure switch is connected to SOV which operates the valve to changeover the tonner selection i.e if pressure one tonner goes low the other tonner should come in line if it is inautomatic selection design a circuit using relays ?

1444

how u calibrate sox nox co2 co in cemps?what is opacity n HPm?tell the standard parameters of cems?

3188

Why the ammonia and Nitric Acid level indicators is with millimeter ? and What is the conversion form millimeters that level indicator indicate to weight ?

1208

hi my name is rakesh patel i just complited my be in instrumentation & control now i am going to working as a validation engineer in a poject department so what is a scope in a future as a validation engginer ? what line is good for me can any bady give me complete solution please? your regard rakesh patel

1508

hello sir/madam, I,Subramanian need 5yrs placement papers of officer trainee of Instrumentation technology.pls send to this mail id mani_nxtgen@yahoo.co.in please do the needful. with regards, subramanian.v

1764

why we use impulse line of flow transmitter at 45 deg. angle both side of orifice plate.

1927

Explain signal isolator

744

In apron feeder how TPH is calculated?

1176

What is the use of control cable?

677

why is an oxygen sensor used in a boiler stack

6249

is there any digitel grevity meter availaible in the market by which we can measure specific gravity of a battery?

1786

List three types Level Switches with their working principles

1620

Manipulation of dead wt. tester double piston type.

1499