Answer / anurag,e&a ispat ind. ltd.

in manual control system all the controlling parameter have
been controlled by operatorbut automatic control system all
parameter are controlled by automatic control system by
using plc,dcs @scada system.

Answer / harsh zala

In manual control system, operater has to calculate the
manipulated variable(MV) manually..like we r controlling a
speed of two wheeler by accelerating it by our hand...

While in auotmatic control system u need to give set point
(SP) and acoordingly we programmed the system it will try
to reach the desired output(sp) automatically.uit does not
need manual calulations.as it is already programmed.

Answer / elibariki

automatic control system is the closed loop system that requires no operator e.g Automatic furnace temperature system
Manual system is the system that requires an operator

Answer / dibyalochan sahoo

In automatic control system sensor is used to reduce the error.in manual control system user is responsible to reduce by observeving output.it is a close loop control system .in place of sensor here human is present.an open loop control system with human involvement called manual control system.

Answer / uday

Human operated system is called manual control system.like speed control of vehicles.it's operation based on human sense.
Automatic control system have sensor mechanism, sense the actual condition and send feedback to controller.

Hi i am aneesh, done btech in applied electronics & instrumentatiin. And then i took mba in finance & marketing.After that i got placement in finance co and worked there for 3.5 yrs.Now i wanted to come back to engineering job.But without engg experience, i may not able to find an opening.i have done a course related to flow meters and ite calibrations. Kindly suggest where should i try to get a job?

0 Answers   Qatar Petroleums,

Define cryogenic?

0 Answers  

Explain the working of an electronic level troll.

0 Answers  

Can Any body tell me how to check Modbus Settings in ER300N L&T trivector meter?

0 Answers  

what do you mean by cathodic protection?

1 Answers   Saipem,

What is the role of P(Protional), I(Integral) and D (Derivative) in PID Controller?

9 Answers  

how to wire from pressure transmitter to marshalling panel and panel to controller and controller to dcs plz give the answer with example .

2 Answers  

Explain operation of Haskel pump.

0 Answers   CCIE,

hi vishok this is noor plz tell me what type problems will occured i use T/C in the place of RTD in (FEED WATER TANK),plz send ur e-mail address to my ID (mail2noor.hyd@gmail.com)

6 Answers  

if i want buy a pressure gauge then witch parameter i look

2 Answers  

sir i m preparing for BARC but i am not getting any papers to prepare for this exam so please send me some sample papers to my i.d for the preparation of barc.

0 Answers  

i am preparing for BARC ,so plz mail me how to prepare for BARC. ALSO IF POSIBLE SOME RELATED QUESTIONS. MY MAIL ID IS khushi_4uall2003@yahoo.co.in

0 Answers