what is loop?

Answer Posted / ulaganathan

a loop may be defined as connection of elements
to the circuit making use of feedback.
It may be of open or closed type

Is This Answer Correct ?    6 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

can anyone tell me about the basic concepts to consider before to start a PLC panel wiring

1500


What is compensation for flow ? Why we use compensation ? What are the factors of different compensation ? We not use then what problems may happen ?

1471


what is orfics working in main steam line. is it increase pressure, velocity of steam flow and dicrease steam flow rate. or any other

1664


can anyone tel the syllabus or previous year question paper for BHAVINI(EIE)2014.

1941


What is Alpha & Beta fctors related to Orifice Plate & its relation with flow?

2923






while am calibrating Drager polytron 2IR flame gas detector occured non zero status.how can i get zero status?

1696


any body who gone thru recent iocl interview.INSTRUMENTATION questions. I need.

1934


What is megering????

13888


1.what is the effect of vapour presuure in orifice plate flow measurement 2.which is more effective 2 pressure sensors or one single differential pressure sensor in orifice plate measurement 3.how to design a v/i converter and i/v converter 4.how many type of thermocouple are there 5.how many leads are there in thermocouple measurement 6.how pressure sensors are connected in level measurement in differential pressure method 7.what is the output of capacitive pressure sensor (ac or dc),how its o/p is signal charactarized 8.what is the physical meaning of discharge coeeficient,why it is calculated,orifice plate what is its value,why it is less than 1,Q at upstream is equal to or not equal to Q at downstream of orifice plate why?what is vena contracta in orifice plate 9.why rotameter is called variable area flowmeter,it can measure flow even if area is not varying,why it is made tapered 10.design a 10 bit counter ,which counter you will prefer 11.how to remove self heating error in RTD 12.which is more sensitive pt100 or pt50 13.why thermocouple are connected in parallel 14.what is lead contact error in RTD,how to avoid 15.what is P,PI,PID,PD controller,why there is no ID controller 16.what is override,split range,sequential,ratio,feedforward,cascade controller 17.why we moved from SR to JK and then JK to master slave JK flipflop,give correct reason 18.how to measure level of a closed container which contains vapour and liquid,remember no vapour gas should be leaked,so ultrasonic and capacitive is not an option,design another method 19.how to design horse race counter including sensors and signal conditioning element 20.what is bevelling

1949


What are the maximum packet size of: a) HART b) Profibus DP c)Profibus PA d) DeviceNet e) Foundation Fieldbus

5300


Speedtronic system .

1527


Which topics are covered in Process Control?

1630


How addressable fire systems work? Pl. send details with architect.(Loop), also send details regarding Gas system. Pl. help me.Thanks

1629


why we use cascade control and feed foreword control in 3 element control of boiler drum ?what is feed forward and cascade control system ?

1749


in which principle pressure tx,level tx ,flow tx,temp tx ,control valve works?

2686