which type of rtd is good for any system,2wire,3wire or 4
wire
Answer Posted / naseer jarral
3 wire rtd is good bcz thired wire is used to compensate
wire resistence it is a wheet stone bridge
| Is This Answer Correct ? | 3 Yes | 3 No |
Post New Answer View All Answers
Explain PID controller tuning & any one method used for it.
What is 1:1 redundancy ?
What are the different types of thermistors used in industries? How to the operation of typical thermistor?
plz you help about Que paper of mahagenco previous your,any model paper relad to it{maharastra power genration}
sir, give me placement papers and interview quistion of birla group company of copper.
Difference between ultra sonic flow meter
Can any one send me IOCL instrumentation question papers.. i dont know the pattern of the questions and what to prepare can any one help me on this .. my email id is anwarnishil@gmail.com
Explain why use mmwc unit?
Q- What are the application in which PNP transistor is preferred over NPN ?
how to design orifice plate?what is the equation?
ORP sensor working principle?
it is possible to check the fail safe condition in pressure transmitter. if possible how?
A PLC is programmed to drive three motors A, B and C as follows : After running motor A for an hour, motor B should get ON and motor A should get OFF. And after running motor B for an hour, motor C should get ON and motor B should get OFF. And after running motor C for an hour, motor A should get ON and motor C should get OFF. (That is, a cyclic repetition with time period one hour) Now, the second condition is: If any motor gone faulty and is tripped, the consecutive motor should get ON and the faulty (tripped) motor should be eliminated from cyclic repetition. The remaining two motors should bear the cyclic repetition of one hour each. (For healthy motor take logic as high and for tripped motor take logic as low) Now, the third condition is: When motor A load(Amps) exceeds 60% of its rated load, motor B should get ON in parallel to motor A. And when both motors A & B are running in parallel, and if their load exceeds 60% of their rated load, motor C should also start in parallel to A & B. [Here the cyclic repetition is eliminated, until their loads become normal(40%)] [Take logic high(1) for load at 60% and logic low(0) for load at 40%] Now draw a flow chart or a ladder diagram to fulfill the above condition.
what is interface level and how it is calibrate?
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