Which statement is correct for open loop system? 

This question was previously asked in
PGCIL NER DT (Electrical) 27 Feb 2022 Official Paper
View all PGCIL Diploma Trainee Papers >
  1. Difficult to design. 
  2. These are economical. 
  3. Feedback path is present. 
  4. Control action is dependent of the desired output. 

Answer (Detailed Solution Below)

Option 2 : These are economical. 
Free
PGCI DT EE Power System Mock Test
6.1 K Users
20 Questions 20 Marks 15 Mins

Detailed Solution

Download Solution PDF

The correct answer is option 2.

Types of control system

1.) Open loop system

605046f6851b82e45f79d66c 16450931554982

  • In this system, the control action is independent of the desired output signal.
  • The feedback element is absent.
  • The sensitivity of the open loop system is very high.
  • It is very simple, needs low maintenance, quick operation, and is cost-effective.
  • The accuracy of this system is low and less dependable. 

2.) Closed loop system

605046f6851b82e45f79d66c 16450931555023

  • In this system, the control action is dependent on the desired output signal.
  • The feedback element is present.
  • The sensitivity of the closed-loop system is less.
  • It is complex, needs maintenance, and is costly.
  • The output of this system is fast and accurate.
Latest PGCIL Diploma Trainee Updates

Last updated on May 9, 2025

-> PGCIL Diploma Trainee result 2025 will be released in the third week of May. 

-> The PGCIL Diploma Trainee Answer key 2025 has been released on 12th April. Candidates can raise objection from 12 April to 14 April 2025.

-> The PGCIL DT Exam was conducted on 11 April 2025. 

-> Candidates had applied online from 21st October 2024 to 19th November 2024.

-> A total of 666 vacancies have been released.

-> Candidates between 18 -27 years of age, with a diploma in the concerned stream are eligible.

-> Attempt PGCIL Diploma Trainee Previous Year Papers for good preparation.

Get Free Access Now
Hot Links: teen patti real cash withdrawal teen patti 3a teen patti pro teen patti