ALL THE BEST!!!
PLC PROGRAMMING- LBI JODHPUR NOV BATCH1-13TH JAN 2025
1 / 50
What is the function of a PLC’s programming software?
2 / 50
The capacitance , in force-current analogy, is analogous to
3 / 50
Which PLC feature allows it to continue operating despite minor faults?
4 / 50
Current flows into the………………………………..
5 / 50
Current flows into the …………………………………
6 / 50
For open control system which of the following statements is incorrect ?
7 / 50
In a Current sinking DC input module………………………………
8 / 50
In a PLC, the scan time refers to the amount of time in which …..
9 / 50
In an automatic control system which of the following elements is not used ?
10 / 50
Any externally introduced signal affecting the controlled output is called a
11 / 50
The main difference between online and offline PLC programming is
12 / 50
AC output field devices can interface to
13 / 50
To increase the number of inputs and outputs of the PLC, one can use expansion modules.
14 / 50
In pneumatic control systems the control valve used as final control element converts
15 / 50
In a control system the output of the controller is given to
16 / 50
Which of the following is the definition of proportional band of a controller ?
17 / 50
What is the function of a PLC’s Cybersecurity?
18 / 50
Which component of a PLC executes the control program?
19 / 50
One of the following has tendency to oscillate
20 / 50
Due to which of the following reasons excessive band width in control systems should be avoided ?
21 / 50
A good control system has all the following features except
22 / 50
Which of the following is the output of a thermocouple ?
23 / 50
The first company to build PLCs was .
24 / 50
What is the function of a PLC’s operating system?
25 / 50
HMI Means ____________Machine Interface.The battery polarity
26 / 50
What kind of memory is typically used to store a PLC’s program in latest models?
27 / 50
The PLC is used in _______.
28 / 50
Classify the following as automatic control, manual control, discrete control or continuous control.
29 / 50
In an open loop control system
30 / 50
PLC can be ___________ in plant to change the sequence of operation.
31 / 50
What does the abbreviation SCADA stand for in relation to PLC systems?
32 / 50
What does the term “ladder” in ladder logic refer to?
33 / 50
What is the role of I/O modules in a PLC system?
34 / 50
When a relay is NOT energized:
35 / 50
36 / 50
A control system working under unknown random actions is called
37 / 50
How can a PLC be configured to meet the specific needs of an industrial process?
38 / 50
The part that monitors the inputs and makes decisions in a PLC is the CPU.
39 / 50
In a Current sinking DC input module……………………………..
40 / 50
The PLC was invented by.
41 / 50
What is the primary function of a PLC?
42 / 50
Which of the following is NOT a typical application of PLCs?
43 / 50
Which of the following RLL applications is not normally perfomed in early automation systems ?
44 / 50
What is the function of a PLC’s Virtualization?
45 / 50
What is the function of a PLC’s IoT (Internet of Things) capability?
46 / 50
What type of signal does a PLC digital input module process?
47 / 50
The effect of error damping is to
48 / 50
The initial response when the output is not equal to input is called
49 / 50
What is the function of a PLC’s communication module?
50 / 50
What is the difference between a PLC and a microcomputer?
