|
In general, PLC output modules are designed to switch high current loads directly
|
|
1
|
282
|
June 29, 2026
|
|
In classical control terminology, reset rate is typically measured in?
|
|
0
|
215
|
March 2, 2026
|
|
What is meant by a reverse-acting controller?
|
|
0
|
146
|
March 2, 2026
|
|
If error remains small but constant, which term grows over time?
|
|
0
|
180
|
March 2, 2026
|
|
What is the primary function of integral action in PID control?
|
|
0
|
156
|
March 2, 2026
|
|
Why does proportional-only control typically result in offset?
|
|
0
|
90
|
March 2, 2026
|
|
What is a disturbance in process control?
|
|
0
|
84
|
March 2, 2026
|
|
What is meant by PID controller output saturation?
|
|
0
|
123
|
March 2, 2026
|
|
Why is on-off control not suitable for continuous process control?
|
|
0
|
88
|
March 2, 2026
|
|
How does proportional controller generate its output?
|
|
0
|
93
|
March 2, 2026
|
|
Which PID term depends on past accumulated error?
|
|
0
|
99
|
March 2, 2026
|
|
In a PID controller, What happens to derivative output when error is constant?
|
|
0
|
145
|
March 2, 2026
|
|
What is meant by a direct-acting controller?
|
|
0
|
90
|
March 2, 2026
|
|
What occurs when proportional gain is extremely low?
|
|
0
|
116
|
March 2, 2026
|
|
If error is zero, what is proportional output?
|
|
0
|
97
|
March 2, 2026
|
|
In direct-acting control, output increases when?
|
|
0
|
103
|
March 2, 2026
|
|
What is bumpless transfer in PID control?
|
|
0
|
116
|
March 2, 2026
|
|
Which control structure uses two PID controllers in series?
|
|
0
|
140
|
March 2, 2026
|
|
In PID, what does “setpoint tracking” in manual mode mean?
|
|
0
|
89
|
March 2, 2026
|
|
What is the effect of valve stiction on PID performance?
|
|
0
|
106
|
March 2, 2026
|
|
What is the effect of large process dead time on PID stability?
|
|
0
|
107
|
March 2, 2026
|
|
What is the purpose of anti-windup protection in a PID controller?
|
|
0
|
101
|
March 2, 2026
|
|
In cascade control, where is the PID controller typically used?
|
|
0
|
113
|
March 2, 2026
|
|
What happens to offset if only PD control is used?
|
|
0
|
95
|
March 2, 2026
|
|
What does dead time in a process cause in control response?
|
|
0
|
115
|
March 2, 2026
|
|
What is the main disadvantage of excessive proportional gain?
|
|
0
|
93
|
March 2, 2026
|
|
In a PID controller, what happens if derivative time is set to zero?
|
|
0
|
115
|
March 2, 2026
|
|
What is the primary trade-off in PID tuning?
|
|
0
|
79
|
March 2, 2026
|
|
Which PID mode accumulates error over time?
|
|
0
|
78
|
March 2, 2026
|
|
In reverse-acting control, output increases when?
|
|
0
|
88
|
March 2, 2026
|