AUTOMATION & INDUSTRY 4.0 CERTIFICATION
EXAM COMPLETE QUESTIONS WITH 100%
VERIFIED ANSWERS
1. What type of computer is commonly used to automate industrial
manufacturing processes?
A) Desktop PC
B) PLC
C) Smartphone
D) Mainframe
Correct answer: B
2. When a machine stops due to a fault, what does the HMI typically show?
A) A blank screen
B) An error message
C) A password request
D) A screensaver
Correct answer: B
3. Smart sensors connected to manufacturing networks are a key feature of
which industrial revolution?
A) Industry 1.0
B) Industry 2.0
C) Industry 3.0
D) Industry 4.0
Correct answer: D
,4. Which standard from the early 1980s allowed machines from different
manufacturers to physically connect and communicate?
A) USB
B) RS-232
C) Ethernet
D) Bluetooth
Correct answer: C
5. Which IIoT application monitors equipment during normal operation to
prevent failures?
A) Reactive maintenance
B) Predictive maintenance
C) Breakdown maintenance
D) Emergency maintenance
Correct answer: B
6. What does OSHA develop to ensure safety across retail, service,
construction, and manufacturing?
A) Marketing plans
B) Financial regulations
C) Standards
D) Software licenses
Correct answer: C
7. EPCRA requires manufacturers to document and report information about
chemicals they use, store, or release. Is this TRUE or FALSE?
A) TRUE
B) FALSE
C) Only for food manufacturers
D) Only for pharmaceutical companies
Correct answer: A
8. The advent of the third industrial revolution was marked by the use of
______.
A) Steam engines
, B) Assembly lines
C) Computers
D) Artificial intelligence
Correct answer: C
9. If an operator knows a safety problem exists with a machine, the operator
should ______.
A) Ignore it
B) Notify a supervisor immediately
C) Try to fix it alone
D) Wait for the next shift
Correct answer: B
10.What device or system shuts down a machine immediately if the operator is
in danger?
A) Start button
B) Emergency stop
C) Cooling fan
D) Power cord
Correct answer: B
11.If the energy sources are shut down to a pneumatic valve, what is the
valve's state?
A) It is open
B) It is closed
C) It cycles rapidly
D) It remains unchanged
Correct answer: B
12.What is the first step in a proper lockout/tagout procedure?
A) Apply the lock
B) Test the equipment
C) Shut down the equipment
D) Notify all employees
Correct answer: C