Answer / rt langley

Interlock could be to protect equipment or personal. Boiler
loose water flow interlock shuts down boiler to prevent
damage. Flame eye in boiler loose signal interlock shuts off
gas to prevent explosion. Photo eye beam is broken garage
door returns to open position to keep from crushing you.

Answer / hansdas b.jaiswal

The system is design for the safty of personal and
protection of equipment during operation and maintenance.

what is the difference between two wire transmitter and 4- wire transmitter

3 Answers  

---

Why drum level range is given -500 to 0 mmwc pls give me that answer

1 Answers  

---

Yokogawa dcs nodes advantages?

0 Answers   Petrochemicals,

---

Make Heater Process Logic.

0 Answers  

---

the square root type transmitter r used to which applications

4 Answers   Roche,

---

Is there’s power on the bus (if so, state whether on the signal bus, or on a separate in the following: a) HART b) Profibus DP c) Profibus PA d) DeviceNet e) Foundation Fieldbus

1 Answers   EIT,

---

why we are using perforted cable tray for control cable and ladder tray for power cable

1 Answers  

---

why t/c is connected parallel and what is the purpose of it

2 Answers  

---

Need Intergraph softwares like SPI(INTOOLS),sp3d,PV ELITE, SP P&ID. CONTACT : logu.2211@gmail.com (8867825756)

0 Answers   GE,

---

how to check the leak in thermowells

1 Answers  

---

what is pyrometer? which purpose it has to be used?

2 Answers  

---

what is commissioning.

2 Answers   Takreer,

---