Match List -I (Type of controller) with List-II (Operation) and select the correct answer using the given lists: List - I List – II A. Pneumatic controller 1. Flexible operation B. Hydraulic controller 2. High torque high speed operation C. Electronic controller 3. Fire proof operation
A - 3, B - 1, C - 2
Controller Type Operations Matching Explained
This question requires matching different types of controllers with their associated operations based on their inherent characteristics. We need to correctly pair Pneumatic, Hydraulic, and Electronic controllers with operations such as Flexible operation, High torque high speed operation, and Fire proof operation.
Understanding Controller Characteristics
Let's analyze the properties of each controller type:
- Pneumatic Controllers: These systems use compressed air as the working medium. Compressed air is non-flammable and does not conduct electricity, making it inherently safe for use in environments where sparks or heat could ignite flammable materials.
- Hydraulic Controllers: These systems utilize incompressible liquids (like oil) under pressure. Hydraulic systems can offer flexibility in terms of system design and component placement, and provide smooth, controllable motion that can be adapted to various tasks.
- Electronic Controllers: These rely on electrical signals and circuits. Modern electronic controllers, often coupled with electric motors, offer sophisticated control algorithms that enable high precision, rapid response, and efficient management of speed and torque.
Matching Controllers to Operations
Based on the analysis and the provided correct pairings, here are the matches:
- A. Pneumatic controller is matched with 3. Fire proof operation. This is because the use of compressed air, a non-flammable medium, makes pneumatic systems suitable for hazardous environments where fire risk is a concern.
- B. Hydraulic controller is matched with 1. Flexible operation. Hydraulic systems can offer flexibility in terms of system design and component placement, and provide smooth, controllable motion that can be adapted to various tasks.
- C. Electronic controller is matched with 2. High torque high speed operation. Electronic controllers, particularly when used with electric motors, enable precise control over motor speed and torque, facilitating high-performance operations.
Final Correct Match
Therefore, the correct matching is A - 3, B - 1, and C - 2. This corresponds to option 5 from the given choices.
| List - I (Type of controller) | List - II (Operation) |
| A. Pneumatic controller | 3. Fire proof operation |
| B. Hydraulic controller | 1. Flexible operation |
| C. Electronic controller | 2. High torque high speed operation |
Important Questions from Controllers and Compensators
Given below are two statements:
Statement I: In proportional control, the actuating signal for the control action in a control system is proportional to the error signal
Statement II: It is desirable that control system be over damped for the point of view of quick response
In the light of the above statements, choose thecorrectanswer from the options given below:
Which of the following controllers improves the transient response of a system?
The transfer function of the lead compensator is:
Which of the following terms is responsible for noise measurement in the PID controller?
The overall transfer function of a control system is given by the following equation. Find out the value of Derivative rate feedback constant K t. (Consider the Damping ratio 0.9)
\(\dfrac{C(s)}{R(s)}= \dfrac{36}{s^2+3.6s+36}\)
