Answer Posted / uc nayak

Magnetic flowmeter calibration method is only by taking known volume of flow through it by taking drop test method.Other than this you can simulate the flow convertor with specific simulator with spefic simulation factor only.

How can we use feedback signal frm rtd for monitoring and in dcs for controlling ,then which type of rtd is sutaible 2 , 3,4wire and why ?

1173

---

What is the function of solenoid valve in on/off & shutdown valve and why it is not used in control valve normally?

1514

---

Which type of diagphram use in costic line,DM water line,natural gas line,oil line?

3483

---

3. Differentiate between ultrasonic flowmeter and radar type flow meter.

2435

---

Q- Control problem are mainly classified in _____ types. a-)4 b-)3 c-)6 d-)nono of these Few of them i know is 1- regulator type problem (eg- Air conditioner) 2- tracking problem (eg missile trcking problem) 3- sybernatics 4- optimal control problem

1734

---

---

What is solenoid valve? Where it is used?

608

---

TEMPERATURE VARIATION FOR FREQUENTLY.

1515

---

centrifugal compressor interlock? Tell me the parameter at which compressor will trip

2684

---

can we replace a slot sensor (inductive type) with limit switch (potenial free contact / no-nc type).

1597

---

why micro controller 8051/52's clock frequency is internally divide by 12 ?? and why it is further divide by 32 in UART serial communication ??

6858

---

What is exact difference between the panel earthing and system earthing in DCS system. What is the value of resistence.

2157

---

what is temperature compensation?

4783

---

If a warning lamp will operate with the ground circuit is bypassed with a jumper wire to ground, what should you check?

1623

---

Why we are using reverse action in displacer types level transmitters on some Vessels?

2031

---

please someone tell me what is function of vibration sencer and how many types and how to control viberation.please. my id is jimmykhan077@gmail.com

1364

---