Answer / papu

• Keep to standard engineering rules in planning the use
of and operating the device!
• Installation and intervention for maintenance work are
only allowed by qualified personnel using suitable tools!
• Observe the current regulations on accident prevention
and safety for electrical devices during operation and
mainte-nance of the device!
• Before interfering with the system, always switch off the
voltage!
• Note that in systems under pressure, piping and valves
may not be loosened!
• Take suitable precautions to prevent inadvertent
operation or damage by unauthorized action!
• After interruption of the electrical or pneumatic supply,
make sure the process is restarted in a well-defined,
controlled manner!

Why went

9 Answers  

---

if conical type tank in top LEFT side solid material coming but LT MOUNTED IN TOP OF LEFT SIDE, how to measure ultrasonic level transmitter ?

1 Answers   Cairn,

---

what is the basic working principle of I/P and Positioner in any control valve.

12 Answers   Essar, Visa Steel,

---

Explain level troll principle & interface level measurement.

1 Answers   ADMA OPCO,

---

we have LPG spherical Tank and we want to install DP Xmtr for level measurement.below are the physical measurements Total height of tank is 1850 mtr but 0% level is 1000mm above bottom and 100% level is 450 below upper side.What is the LRV and URV and please mention the formula .The SG of LPG is 0.53 and Wet Leg method will be used.

7 Answers  

---

What is the difference between pt100, pt500 and pt1000 RTDs?

3 Answers   ICI Pakistan,

---

Explain operation of Haskel pump.

0 Answers   CCIE,

---

give classification of transducer based on type of application

2 Answers  

---

why r using 250 resistances

6 Answers   Sabic, Samsung,

---

Hi Friends , i need one urgent help , i am preparing for M.tech entrance examination , i need some obejective questions related to instrumentation field. where can i get those ? can anyone help me pls ?

0 Answers  

---

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

0 Answers  

---

what is KV and XV valve

0 Answers  

---