Solapur-University-M.Sc. – Electronics (Semester-IV)-2019-On Mechatronics and Industrial Automation
| Sr. No | Questions with multiple options |
| 1. | In PLC ladder diagram input instructions are entered on the ____ side of the ladder.
(a) Left (b) Right (c) Either right or left (d) None of these |
| 2. | The PLC sequential function is often called the _____ controller function.
(a) Drum (b) Left shift (c) Right shift (d) None of these |
| 3. | The ____ is SCADA function.
(a) Data acquisition (b) Data presentation (c) Control (d) All of these |
| 4. | In PLC _____ is used as a bit delimiter.
(a) / (b) : (c) \ (d) None of these |
| 5. | A single input timer is called as ___ timer.
(a) Retentive (b) Nonretentive (c) Both a and b (d) None of these |
| 6. | In PLC ladder diagram, the ____ turns the following specified number of lines to the OFF state.
(a) SK (b) MC (c) MCR (d) All of these |
| 7. | The number of input resisters in PLCs is normally one tenth of _____ register.
(a) Holding (b) Working (c) Output (d) Input |
| 8. | A _____ is output device of PLC.
(a) Switch (b) Temperature sensor (c) Coil (d) LVDT |
| 9. | In PLC arithmetic subtraction operation, if result is ____ in the result register, then it turns coil ON.
(a) Negative (b) Positive (c) Zero (d) None of these |
| 10. | The ____ determines which rack the module sits in.
(a) Rack number (b) Terminal number (c) Both a and b (d) None of these |
| 11. | The ____ is advantage of PLC.
(a) Flexibility (b) Low cost (c) Security (d) All of these |
| 12. | In normally _____ contact, when this contact close, the function carries out some kind of action.
(a) Open close (b) Latch (c) None of these |
| 13. | In PLC OG stands for the ____ register
(a) Operated Group (b) Open Group (c) Output Group (d) All of these |
| 14. | First Generation SCADA system known as ____ SCADA system.
(a) Monolithic (b) Networked (c) Wired (d) Wireless |
| Data Collected By – K. Jeyanthi | |
| Published on – 21st Nov 2021 | |
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