To know answers of PLC SCADA MCQ Click Here

[{"selector":"#anim-be8f1c85-5536-41b8-88aa-af900d755329 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(-25%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]

1.In a PLC, the scan time refers to the amount of time in which A. the technician enters the program B. timers and counters are indexed C.one rung of ladder logic takes to complete D. the entire program takes to execute

[{"selector":"#anim-3db746ba-dc98-4a9d-b8cf-39e129fab5c7 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(-25%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]

2. Identify the problem in this motor control PLC program A.Coil B.Start contact C.Seal-in contact D.Stop contact

[{"selector":"#anim-a1357337-f87f-4e39-b704-5225c92af779 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(-25%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]

3. In PLC programming, a retentive function is one that: A.Defaults to the “on” state B.Comes last in the program C.Defaults to the “off” state D.Is not reset after a power cycle

[{"selector":"#anim-0aaf9bf8-68c7-4486-a3e7-a554778f3834 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(-25%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]

An AND function implemented in ladder logic uses: A. Normally -closed contacts in series B. Normally -open contacts in series C.A single normally-closed contact D. Normally -open contacts in parallel

[{"selector":"#anim-693d1504-0fb8-4a3a-9d41-d483bf1cb4d4 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(-25%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]

5. One of the following is an input device A.Motor B.Light C.Valve D.Sensor

[{"selector":"#anim-653bdc17-e4ff-42b9-b37b-b884516550ce [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(-25%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]

Solenoids, lamps, motors are connected to: A.Analog output B.Digital output C.Analog input D.Digital input

[{"selector":"#anim-42ffa3a2-d34d-4f65-92cb-30d1026d0607 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(-25%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]

7. Current flows into the _____ A. Input terminal of a sinking DC input module B. Input terminal of a sinking output field device C. Output terminal of a sinking input field device D. All of these

[{"selector":"#anim-d6bd692b-0865-4945-8985-4f46ad82e7eb [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(-25%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]

A solenoid is an example of an output device. A.True B.False

[{"selector":"#anim-c1bf73d7-1613-49eb-9db4-31de79763889 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(-25%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]