About the Automation MCQ category
|
|
0
|
149
|
February 15, 2021
|
The retentive timer reset (RES) instruction is always given the same address ___
|
|
0
|
35
|
July 6, 2022
|
Some PLC counters operate on the leading edge of the input signal
|
|
0
|
66
|
July 8, 2022
|
The counter accumulated value is the current count based on the ___
|
|
0
|
79
|
July 8, 2022
|
The main difference between a PLC retentive and non-retentive timer is ___
|
|
0
|
82
|
July 8, 2022
|
Fiber optic sensor systems are completely immune to all forms ___
|
|
0
|
24
|
July 20, 2022
|
In a PLC system, there is a physical connection between field input devices ___
|
|
0
|
32
|
July 25, 2022
|
The input/output system forms the interfaces through which field devices ___
|
|
0
|
18
|
July 25, 2022
|
A personal computer communicates with the PLC processor ___
|
|
0
|
28
|
July 25, 2022
|
PLC systems usually require as much space in an enclosure ___
|
|
0
|
21
|
July 25, 2022
|
The maximum current rating for the individual outputs of an AC output module ___
|
|
0
|
19
|
July 25, 2022
|
Shielded twisted pair cable is used for connecting to thermocouple inputs ___
|
|
0
|
39
|
July 25, 2022
|
The processor may perform functions such as timing, counting, and comparing ___
|
|
0
|
29
|
July 25, 2022
|
If you had a hand-held programming terminal from one manufacturer ___
|
|
0
|
43
|
July 26, 2022
|
Hot swappable I/O modules are designed to be changed ___
|
|
0
|
31
|
July 26, 2022
|
Light is used in I/O modules to separate the real-world electrical signals
|
|
0
|
24
|
July 26, 2022
|
HMI screens are developed using a software package on a PC ___
|
|
0
|
29
|
July 26, 2022
|
The sum of the backplane current drawn for all modules in a chassis ___
|
|
0
|
35
|
July 26, 2022
|
The PLC chassis comes in different sizes according to the ___
|
|
0
|
37
|
July 31, 2022
|
The schematic diagram is an example of how a PLC output module is connected to ___
|
|
1
|
30
|
August 1, 2022
|
Batteries are used in a PLC's processor to ___
|
|
0
|
36
|
August 1, 2022
|
Electronic components found in PLC modules ___
|
|
0
|
32
|
August 1, 2022
|
The most commonly used programming device is a ___
|
|
0
|
18
|
August 1, 2022
|
When placed in the ___ mode, the processor does not scan/execute the ladder program
|
|
0
|
30
|
August 1, 2022
|
For the processor module shown, Block 1 represents the ___
|
|
0
|
20
|
August 1, 2022
|
The processor module of the PLC is where the ___
|
|
0
|
22
|
August 1, 2022
|
The ___ of an analog I/O module specifies how accurately an analog value can be represented digitally
|
|
0
|
18
|
August 1, 2022
|
For the PLC analog I/O control system shown, the fluid flow is controlled by ___
|
|
1
|
29
|
August 1, 2022
|
Which of the following specifications defines the number of field inputs or ___
|
|
0
|
20
|
July 31, 2022
|
Discrete I/O modules can be classified as ___
|
|
0
|
26
|
July 31, 2022
|