Answer / vijayaprakash

at first u know what is temperature and what is controller

here, to see simple controller automatic iron box

one heater element and thermostat are used. when the
temperature raises thermostat controls the supply of the
heater. it is called on off controller

Answer / akhil.goyalanager1985

space heater

Answer / ernesto

AC, refrigerator

what is the difference between sensor and tranducers?

12 Answers  

---

What should be the stanchan Height for installation of Smoke detector & toxic gas detector in field,according to qatar standard

2 Answers  

---

how to calculate control valve bonnet size?? or how to select its material?

0 Answers   Jacobs,

---

How to Calibrate the magnetic flow meter on site ?

1 Answers   MRL,

---

wht is loops ? how many loops are there?

2 Answers  

---

How to calculate 47Liter H2 Gas cyilnder consumtion? Cylinder inlet Pressure is 200bar and Discharge pressure is 6.0bar. Flow is 100ml/min.For the above condition how many days one cylinder can be used?

1 Answers  

---

what is difference between call out and call log

0 Answers   Petro Rabigh,

---

1. How many output signals do wew have in process control? 2. Could you write down the names of the pre-commissioning and commissioning stage test instruments and explain them (more than 5 items)? 3. What is the first step to commission a transmitter on service? 4. What is RTD? 5. Find the output value in MA of a temperature transmitter (RTD Type) at 120degree celius? 6. What is the O/P signal of a pneumatic transmitter? 7. What is the O/P signal of an elctronic transmitter? 8. What is the close loop and open loon?

4 Answers  

---

can any one explain in which term we are flow flow is it volumetric r is it mass? and y

0 Answers  

---

How servomotor controls throttle valve of TURBINE?

0 Answers  

---

my temperature transmitter in field showing 700 degree , whereas in dcs showing 459 degree, how to resolve this?

4 Answers   ONGC,

---

What is output of Thermocouple at 25 deg c

10 Answers   TATA,

---