AUTOMATION
TECHNOLOGY SACA
SILVER CERTIFICATION
PRACTICE TEST PART 1
Question 1: A plant connects machine sensors to a network so production data can be analyzed in real time. Which concept does this best illustrate?
Choices:
1) Industrial Internet of Things (IIoT) 2) Preventive maintenance scheduling 3) Manual statistical sampling 4) Standalone programmable machining
Correct Answer: Industrial Internet of Things (IIoT)
Explanation: IIoT connects industrial sensors, machines, and software so operating data can be exchanged and analyzed. Networked machine data is a core element of smart manufacturing.Page 1
Question 2: What is the primary purpose of a programmable logic controller (PLC) in an automated machine?
Choices:
1) To execute control logic using input conditions to command outputs 2) To mechanically transmit torque between shafts 3) To store compressed air for pneumatic actuators 4) To measure part dimensions with direct contact Correct Answer: To execute control logic using input conditions to command outputs Explanation: A PLC reads input signals, executes its control program, and updates output devices. It is designed for reliable industrial machine and process control.
Question 3: An authorized employee is preparing to service a machine that could
start unexpectedly. Which action belongs at the beginning of the lockout/tagout process?
Choices:
1) Remove another employee's lock immediately 2) Begin work while the machine is still cycling 3) Test-run the machine after removing all guards 4) Prepare for shutdown by identifying the hazardous energy sources and how they will be controlled Correct Answer: Prepare for shutdown by identifying the hazardous energy sources and how they will be controlled Explanation: OSHA's energy-control sequence begins with preparation for shutdown, including understanding the type and magnitude of energy and how to control it. Shutdown, isolation, lockout/tagout, stored-energy control, and veri�cation follow.Page 2
Question 4: Which drawing type uses separate front, top, and side views to describe a three-dimensional part?
Choices:
1) Single-line electrical diagram 2) Multiview or orthographic drawing 3) Piping �ow chart 4) Exploded parts list only
Correct Answer: Multiview or orthographic drawing
Explanation: Orthographic or multiview drawings show an object from multiple perpendicular viewpoints, commonly front, top, and side, to communicate shape and dimensions accurately.
Question 5: Which instrument is generally best for measuring an outside shaft
diameter to a ten-thousandth of an inch when high precision is required?
Choices:
1) Steel rule 2) Outside micrometer 3) Tape measure 4) Combination square
Correct Answer: Outside micrometer
Explanation: An outside micrometer is designed for precise external measurements and commonly resolves 0.001 in or 0.0001 in depending on the model. Rules and tapes are less precise.Page 3