how to calculate MMWC values in to Tonns(MMWC values showing in DP transmitter and Tonns value showing in Totalizer). please tell me details?

2 Answers   Chemin C I, MSP,

---

Why 4-20 amps is being used in instruments? Why cant we use any other range instead of 4-20 amps? Why only 4 amps is taken as lower limit and why 20 amps is taken as the higher limit?

0 Answers  

---

Which types of quections asked in interview for FORMULATION PLANT (PHARMA)

0 Answers  

---

who discoverd ohms law?

3 Answers   HPCL,

---

What is deffrence between Battery and capacitor

3 Answers   Siemens,

---

---

what is the difference between PLC & DCS

17 Answers   L&T,

---

Turbidity analyzer working principle ?

0 Answers   Tata Steel Limited,

---

what is mean by process control?

4 Answers  

---

Consider a level troll. i am getting a correct value in 4mA and 20mA. the value in the middle(30 to 60%)is disturbed and i am not getting the appropriate value. what is the solution to normalize the level and to get the correct value..

2 Answers   KNPC,

---

Can u tell me the principle of the tc,rtd,level switch,pressure switch ,transmitter(pr flow level temp.),vibration...plz

0 Answers   Adani, SRF,

---

whats the abbreviation of IOP? is it instrument of power or input open problem?

0 Answers  

---

for indiacation of turbine(china) bearing temperature what type of sensor will be used(i.e. rtd or thermocouple or themister ) ? why it is ? i need clear explanation ?

2 Answers  

---