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The Integral (I) term in a PID controller helps in:
Increasing system stability.
Reducing overshoot.
Reducing steady-state error.
Increasing control effort.
Below parameters are the following are the Safety Stop Shutdown of Steam Boiler except: between the adjacent crankpin, opposite the webs
High water level
Force Draft Fan Motor Stopped
Low Low Water Level
Flame Failure
A PID controller with only the Proportional (P) and Derivative (D) terms is called:
P controller.
PI controller.
PD controller.
ID controller.
What happens to a PID controller if the Derivative (D) term is too large?
It oscillates excessively.
It becomes less sensitive to changes in error.
It becomes more sensitive to noise.
It becomes more sensitive to noise.
The Integral (I) term in a PID controller accumulates:
The integral of the error over time.
The error over time.
The derivative of the error over time.
The square of the error over time.
T is a type of simple controller that minimizes the fluctuation in the process variable, but it does not always bring the system to the desired set point.
Proportional Integral Derivative Control
Derivative Control
Integral Control
Proportional Control
Allows the pressurized servo oil under a hydraulic piston:
Distributor Block
Fuel Supply System
Fuel Injection Valve Activation
Fuel Oil Pressure Booster
When there is a higher fluctuation in the engine parameters which can be harm other systems of the engine these protective devices cut off the fuel supply and the engine stops.
Starting Interlock
Shut down
Alarm
Slow down
The Integral (I) term in a PID controller is used to:
Adjust the controller output based on the rate of change of the error
Eliminate steady-state error
Dampen oscillations in the system
Scale the control action linearly with the error
Is an element that can store material or energy, and that opposes any change in the quantity of stored material or energy.
Capacitance
Impedance
Inductance
Resistance
MAN B&W 7G80ME – C9.2 the letter G stands for:
MARK NUMBER (DIFFERENT Mk No. MEANS DIFFERENT MEP)
ELECTRONICALLY CONTROLLED ENGINE
ENGINE PROGRAMME SERIES
ULTRA SUPER LONG STROKE
What does the "D" stand for in PID controller?
Directed
Dynamic
Differential
Damped
Deviation immediately triggers the________.
Alarm
Monitor
Switch
Sensor
Masmela
Which of the following is an advantage of using a PID controller over a P or PI controller?
Lower cost
Reduced overshoot
Simplicity
Faster response time
Continuously monitoring all parameters
Switch
Monitor
Sensor
Alarm
Which term in a PID controller contributes to stability by reducing the damping ratio?
Derivative (D)
Proportional (P)
None of the choices
Integral (I)
The time required when the derivative changes by a specific amount to obtain the same manipulated variable as for the proportional action when using only a derivative action.
Measuring System
Rate time
Process
Integral Time
Which term in a PID controller is primarily used to anticipate future errors?
All of the choices
Derivative (D)
Integral (I)
Proportional (P)
What does the "I" stand for in PID controller?
Incremental
Inverse
Integral
Immediate
The Proportional (P) term in a PID controller contributes to:
Improving transient response.
Reducing oscillations.
Eliminating steady-state error.
Reducing control effort.
The Proportional (P) term in a PID controller is directly proportional to:
The error.
The derivative of the error.
The square of the error.
The integral of the error.
Which term in a PID controller is responsible for eliminating the steady-state error caused by a constant disturbance?
Proportional and Integral (PI)
Derivative (D)
Integral (I)
Proportional (P)
The Proportional (P) term in a PID controller is responsible for:
Eliminating steady-state error.
Reducing oscillations.
Increasing control effort.
Improving transient response.
What is the primary purpose of the Proportional (P) term in a PID controller?
To eliminate steady-state error
To scale the control action linearly with the error
To adjust for long-term trends
To improve stability
If a PID controller is oscillating, which term should be adjusted first?
Proportional (P)
All terms equally
Integral (I)
Derivative (D)
A PID controller without the Integral (I) term is called:
PD controller.
P controller.
PI controller.
D controller.
Which term in a PID controller is responsible for improving the stability of the system?
Proportional (P)
Integral (I)
Derivative (D)
Proportional and Integral (PI)
Is an element that opposes to the transfer of material or energy.
Impedance
Inductance
Capacitance
Resistance
Which component of the PID controller is responsible for eliminating steady-state error?
Proportional and Integral (PI)
Integral (I)
Derivative (D)
Proportional (P)
The Derivative (D) term in a PID controller is often used to:
Improve transient response.
Eliminate steady-state error.
Increase overshoot.
Decrease system stability.
This are temperature sensors that use two different metals in the sensor to produce a voltage that can be read to determine the local temperature.
Thermistor
Thermocouple
RTD
RTD
These are parts of the Hydraulic System Except:
Alpha lubricator
Auxilliary control unit
Hydraulic Power Supply
Hydraulic Power Supply
Capacitances and resistances create time delays in the transfer of material or energy within the process. These time delays are called:
Integral Lag
Capacity Lags
Impedance Lag
Resistive Lag
The Integral (I) term in a PID controller is most effective when:
There is no error.
The error is changing rapidly.
The error is small but persistent.
The error is large and constant.
In a PID controller, which term helps in adjusting for long-term trends?
Proportional (P)
Integral (I)
Derivative (D)
Proportional and Derivative (PD)
If the Integral (I) term in a PID controller is too high, what might happen?
Steady-state error increases.
The response time decreases.
The system becomes underdamped.
The system becomes unstable
What happens if the Integral (I) gain in a PID controller is too high?
The controller becomes less responsive.
Steady-state error increases.
The response time increases.
The system becomes unstable.
MOP stands for:
Module Operating Panel
Medium Operating Panel
Main Operating Panel
Monitor Operating Panel
The Proportional (P) term in a PID controller affects the control action in proportion to:
The integral of the error.
The derivative of the error.
The current error.
The square of the error.
The Integral (I) term in a PID controller reacts to:
The past error.
The current error.
The rate of change of the error.
The integral of the error.
Which term in a PID controller is responsible for making adjustments based on the accumulated error over time?
Integral (I)
Proportional (P)
Proportional and Integral (PI)
Derivative (D)
The Derivative (D) term in a PID controller helps in:
Reducing the rise time.
Reducing steady-state error.
Increasing the damping ratio.
Reducing overshoot.
It Converts the control signal that is manipulated variable into physical action on the process.
Process
Final Control Element
Controller
Controller
What happens if the Proportional (P) gain in a PID controller is too high?
Steady-state error increases.
The system becomes overdamped.
Oscillations may occur.
The controller becomes less responsive.
These are parts of the Engine Control System (ECS) Except:
Main Operating panel
Local Operating Panel
Multi-Purpose Controller
Cylinder Lubricator
Which of the following statements is true about the Proportional (P) term in a PID controller?
It causes oscillations in the system.
It eliminates steady-state error.
It improves the response time.
It introduces a phase lag in the system.
The Derivative (D) term in a PID controller is mainly used to:
Dampen oscillations.
Eliminate steady-state error.
Increase control effort.
Improve the response time.
It handles the interface to external system:
Cylinder Control Unit (CCU)
Auxiliary Control Unit (ACU)
Engine Control Unit (ECU)
Engine Interface Control Unit (EICU)
Which of the following is true about the Proportional (P) term in a PID controller?
It responds to the rate of change of the error.
It acts on past values of the error.
It eliminates steady-state error.
It scales the control action linearly with the error.
The Proportional (P) term in a PID controller generates control action that is:
Inversely proportional to the error.
Exponential to the error.
Directly proportional to the error.
Independent of the error.
A PID controller without the Derivative (D) term is called:
P controller.
PD controller.
I controller.
PI controller.
Which term in a PID controller is most effective at reducing overshoot?
Integral (I)
Derivative (D)
Proportional and Derivative (PD)
Proportional (P)
Which term in a PID controller helps in reducing the settling time?
Proportional (P)
Integral (I)
All of the choices
Derivative (D)
The next stage of protection when actions taken are not sufficient to control the ongoing problem to safeguard propulsion engine:
Starting Interlock
Shut down
Slow down
Alarm
What happens if the Proportional (P) gain in a PID controller is too low?
The controller becomes unstable.
The response time increases.
Steady-state error increases.
Oscillations may occur.
In a PID controller, the Derivative (D) term reacts to:
The past error.
The integral of the error.
The rate of change of the error.
The current error.
In a PID controller, increasing the Derivative (D) gain will:
Increase the response time.
Decrease the oscillations.
Increase the overshoot.
Decrease the stability.
The Integral (I) term in a PID controller helps in eliminating:
Oscillations.
Steady-state error.
Damping.
Overshoot.
Which term in a PID controller contributes to reducing the rise time?
Derivative (D)
Proportional (P)
Integral (I)
All of the above
In a PID controller, the Derivative (D) term helps in reducing the effect of:
Steady-state error.
Overshoot.
Noise.
Increase oscillation
In a PID controller, the Derivative (D) term is proportional to:
The integral of the error.
The derivative of the error.
The square of the error.
The current error.
It is the difference between an actual and a desired position
Offset
Rate Time
Disturbance
Error
Monitors and controls the sharing of the total kW load in proportion to the relative rating of the engines on the systems' generator sets
Generator Automatic Control
Voltage Control System
Load Sharing
Load Balancing
Which of the following statements about the Derivative (D) term in a PID controller is true?
It reduces the steady-state error.
It decreases the damping ratio.
It amplifies high-frequency noise.
It has no effect on the transient response.
This is hardware element that has intelligence it receives the information from the measuring device and decides what action should be taken and error detector is a part of the controller.
Final Control Element
Process
Measuring System
Controller
In a PID controller, the Integral (I) term accumulates the error over time and:
Adds it to the proportional term.
Adds it to the derivative term.
Subtracts it from the proportional term.
Subtracts it from the derivative term.
The Derivative (D) term in a PID controller helps in:
Reducing overshoot.
Reducing control effort.
Eliminating steady-state error.
Increasing the response time.
It represents unwanted inputs which affect the control-system's output, and result in an increase of system error.
Error
Offset
Rate Time
Disturbance
It is a type of simple controller in which it cannot bring the system to its setpoint, but the rate of change of error, trying to bring this rate to zero. It aims at flattening the error trajectory into a horizontal line, damping the force applied, and so reduces overshoot.
Integral Control
Proportional Control
Proportional Integral Derivative Control
Derivative Control
The Derivative (D) term in a PID controller helps in reducing:
Overshoot.
Steady-state error.
Settling time.
Stability.
The Derivative (D) term in a PID controller is primarily used to:
Adjust the controller output based on the rate of change of the error
Eliminate steady-state error
Scale the control action linearly with the error
Dampen oscillations in the system
The derivative term in PID controller is primarily use to
Adjust the controller output based on the rate change of the error
Dampen oscillations in the system
Scale the control action linearly with the error
Reduce the oscillation
In a PID controller, the derivative term is proportional to
The derivative of the error
The proportional of the error
The disturbance of the error
The steady state of the error
The integral term in PID controller accumulates
The integral of the error over time
The derivative of the error over time
The steady state error
To reduce overshoot
What happens if the integral gain in a PID controller is too high
The system becomes unstable
The system becomes stable
To reduce the error
To control the error
It converts the control signal thats is manipulated variable into physical action on the process
Final control element
Actuator
Sensor
Rate time
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