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Complete or Partial REVAMPING
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|
1
|
467
|
July 31, 2023
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Conversion of PLC Logic from One Brand to Another
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1
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647
|
July 31, 2023
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What are the Fail-Safe Positions of Control Valves?
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0
|
1349
|
July 27, 2023
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Types of Thermal Mass Flowmeters
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1
|
630
|
July 26, 2023
|
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Types of Flow Sensors
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0
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947
|
June 14, 2019
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Flow meter instrument direction
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2
|
922
|
July 3, 2023
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How to Calculate the Cv of Control Valve?
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0
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936
|
July 25, 2023
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|
The scan time is the time required ___
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1
|
805
|
July 25, 2023
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|
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)
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1
|
419
|
July 25, 2023
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The output of a PLC counter is energized when ___
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1
|
752
|
July 25, 2023
|
|
PLC counters are normally non-retentive
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1
|
616
|
July 25, 2023
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|
Optical isolation used in I/O modules helps to reduce the effects of electrical noise
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1
|
316
|
July 25, 2023
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|
An inductive proximity sensor is actuated by conductive and ___
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1
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385
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July 25, 2023
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An air-operated isolation valve requires 2,400 pounds-force applied to the top of the actuator diaphragm to open against spring pressure ___
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1
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319
|
July 25, 2023
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When a relay-logic Wired-AND gate is employed in a motor control circuit, the ___
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1
|
299
|
July 25, 2023
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Analog signals can have only two states
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1
|
374
|
July 25, 2023
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The acronym SPDT identifies a ___ - ___, ___ switch
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1
|
305
|
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
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1
|
2368
|
July 25, 2023
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When a relay-logic Wired-AND gate is employed in a motor control circuit ___
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1
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314
|
July 25, 2023
|
|
A PLC down-counter (CTD) counter counts ___
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|
1
|
444
|
July 25, 2023
|
|
The maximum current rating for the individual outputs of an AC output module ___
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1
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365
|
July 25, 2023
|
|
6-port and 10-port Valves in the Gas Chromatograph
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0
|
478
|
July 21, 2023
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Design a logic circuit that triggers an alarm if motion is detected or if the door is opened
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|
0
|
260
|
July 19, 2023
|
|
Anderson bridge is used to measure of ___
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|
1
|
790
|
July 18, 2023
|
|
A thermo-couple instrument can be used for the ___
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|
0
|
427
|
July 30, 2021
|
|
Hay's bridge is suitable for inductances having low L/R ratio ___
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|
1
|
345
|
July 18, 2023
|
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How to Test an SCR? - Silicon Controlled Rectifier
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0
|
749
|
July 15, 2023
|
|
What is Permissives, Protections and Interlocks?
|
|
1
|
1728
|
July 15, 2023
|
|
What are the different Modules used in PLC?
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|
0
|
1113
|
February 10, 2020
|
|
What is Ground Loop? Preventive steps to avoid ground loop?
|
|
1
|
1179
|
July 15, 2023
|