|
The scan time is the time required ___
|
|
1
|
288
|
July 25, 2023
|
|
More than one pushbutton station (operator’s control station) can be installed for a given control line in a control circuit (line or ladder diagram). Multiple NC Stop PB switches must be wired in ___ to form a NOR logic gate (circuit)
|
|
1
|
164
|
July 25, 2023
|
|
The output of a PLC counter is energized when ___
|
|
1
|
286
|
July 25, 2023
|
|
PLC counters are normally non-retentive
|
|
1
|
262
|
July 25, 2023
|
|
Optical isolation used in I/O modules helps to reduce the effects of electrical noise
|
|
1
|
117
|
July 25, 2023
|
|
An inductive proximity sensor is actuated by conductive and ___
|
|
1
|
152
|
July 25, 2023
|
|
An air-operated isolation valve requires 2,400 pounds-force applied to the top of the actuator diaphragm to open against spring pressure ___
|
|
1
|
153
|
July 25, 2023
|
|
When a relay-logic Wired-AND gate is employed in a motor control circuit, the ___
|
|
1
|
146
|
July 25, 2023
|
|
Analog signals can have only two states
|
|
1
|
143
|
July 25, 2023
|
|
The acronym SPDT identifies a ___ - ___, ___ switch
|
|
1
|
139
|
July 25, 2023
|
|
When a PB-switch-logic Wired-Exclusive-OR gate is employed in a motor control circuit, When both switches are activated, the PB-switch-logic output, taken at the common node forming the OR gate of the two series-connected switch inputs, is ___ volts
|
|
1
|
97
|
July 25, 2023
|
|
When a relay-logic Wired-AND gate is employed in a motor control circuit ___
|
|
1
|
156
|
July 25, 2023
|
|
A PLC down-counter (CTD) counter counts ___
|
|
1
|
129
|
July 25, 2023
|
|
The maximum current rating for the individual outputs of an AC output module ___
|
|
1
|
184
|
July 25, 2023
|
|
Design a logic circuit that triggers an alarm if motion is detected or if the door is opened
|
|
0
|
96
|
July 19, 2023
|
|
Anderson bridge is used to measure of ___
|
|
1
|
267
|
July 18, 2023
|
|
A thermo-couple instrument can be used for the ___
|
|
0
|
194
|
July 30, 2021
|
|
Hay's bridge is suitable for inductances having low L/R ratio ___
|
|
1
|
147
|
July 18, 2023
|
|
To keep the effect of a voltmeter on a circuit to a minimum, the ___
|
|
1
|
136
|
July 14, 2023
|
|
An ohmmeter is used to check for which of the following conditions?
|
|
1
|
155
|
July 7, 2023
|
|
The purpose of the optical isolator is to ___
|
|
1
|
264
|
July 6, 2023
|
|
One advantage of discrete relay contact output modules is that they can be ___
|
|
1
|
138
|
July 5, 2023
|
|
What is the purpose of a valve positioner in a typical pneumatic valve control system ___
|
|
1
|
368
|
July 5, 2023
|
|
The main difference between a PLC retentive and non-retentive timer is ___
|
|
1
|
1460
|
June 26, 2023
|
|
A battery is rated 20 A-hr and is delivering a current of 2A ___
|
|
1
|
639
|
June 26, 2023
|
|
A robot program that has the ability to move a robot to any position within the range but without specific path ___
|
|
1
|
1293
|
June 26, 2023
|
|
The fastest method for transferring data from one register to another is the ___
|
|
1
|
829
|
June 26, 2023
|
|
In the truth table formation, inputs are taken as A1A0 for A input and ___
|
|
1
|
912
|
June 26, 2023
|
|
About the Multiple Choice Questions category
|
|
1
|
554
|
June 26, 2023
|
|
The PLC chassis comes in different sizes according to the ___
|
|
1
|
315
|
June 21, 2023
|
