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Complete or Partial REVAMPING
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|
1
|
456
|
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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646
|
July 31, 2023
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What are the Fail-Safe Positions of Control Valves?
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0
|
1341
|
July 27, 2023
|
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Types of Thermal Mass Flowmeters
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1
|
629
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July 26, 2023
|
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Types of Flow Sensors
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0
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944
|
June 14, 2019
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Flow meter instrument direction
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2
|
915
|
July 3, 2023
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How to Calculate the Cv of Control Valve?
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0
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929
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July 25, 2023
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|
The scan time is the time required ___
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1
|
804
|
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
|
415
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July 25, 2023
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The output of a PLC counter is energized when ___
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1
|
751
|
July 25, 2023
|
|
PLC counters are normally non-retentive
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1
|
611
|
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
|
315
|
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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383
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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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318
|
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
|
298
|
July 25, 2023
|
|
Analog signals can have only two states
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1
|
372
|
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
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2355
|
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
|
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
|
364
|
July 25, 2023
|
|
6-port and 10-port Valves in the Gas Chromatograph
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0
|
478
|
July 21, 2023
|
|
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
|
789
|
July 18, 2023
|
|
A thermo-couple instrument can be used for the ___
|
|
0
|
427
|
July 30, 2021
|
|
Hay's bridge is suitable for inductances having low L/R ratio ___
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|
1
|
344
|
July 18, 2023
|
|
How to Test an SCR? - Silicon Controlled Rectifier
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0
|
746
|
July 15, 2023
|
|
What is Permissives, Protections and Interlocks?
|
|
1
|
1724
|
July 15, 2023
|
|
What are the different Modules used in PLC?
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|
0
|
1112
|
February 10, 2020
|
|
What is Ground Loop? Preventive steps to avoid ground loop?
|
|
1
|
1173
|
July 15, 2023
|