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WorksheetsMachine Safety Fundamentals: Questions 1-12
Total questions: 18
Worksheet time: 9mins
If an operator knows a safety problem exists with a machine, the operator should choose the most appropriate immediate action.
Try to correct the problem personally
Use extra caution while operating the machine
Operate the machine as usual until the next shift
Notify a supervisor immediately
All electrical circuits should be de-energized before maintenance by which method to prevent accidents?
Pushing emergency stops
Using lockout procedures
Unplugging all machines
Deactivating only the circuit breaker
Select the correct procedural order for performing a lockout/tagout.
E-stop, hasp, lock
Lock, hasp, tag
Tag, hasp, E-stop
Hasp, lock, tag
Which OSHA‑mandated safety procedure is required to make sure energized equipment is incapable of moving?
HMI emergency stops
Interlocks
Lockouts/tagouts
Safety refresher training
What device is used to block a machine's operation until its proper guards are in place?
Lockout
Mechanical interlock
Teaching pendant
Proximity sensor
What type of action can a human operator perform to override all other circuits in a system?
Interlock
E-stop
Lockout/tagout
Failsafe
When two or more people need to service a machine, who is responsible for performing the lockout/tagout?
Each person supplies their own lock to the hasp
The immediate supervisor performs a master lockout/tagout
Each party must coordinate their time during the lockout/tagout
Every department performs their own lockout/tagout
In terms of safety, everyone is responsible for reporting which of the following?
Unclean areas
Unsupervised labor
Lazy employees
Improperly guarded equipment
An employee needs to perform lockout/tagout, but there is no remaining space on the hasp. What should be done to ensure the procedure is followed?
No further action is needed because the procedure was already followed
Add a new lockout hasp and attach the employee's designated lock
Ask the supervisor to remove an old lockout to make room
Add the employee's lock onto the loop of an existing lock
Why should one wear close‑fitting clothing when working around machines?
To keep the machine clean
To prevent damage to the machine
To prevent injury caused by clothing getting caught in machinery
To present an attractive appearance for visitors
If an operator does not test equipment after it is locked out, what should occur?
Nothing, because the lockout prevents energizing power
The circuit will not operate regardless
They should avoid applying a tag
They should be retrained
A machine ________ is a device designed to keep the operator clear of dangerous machine parts.
Barrier
Guard
Rest
Emergency Stop
Before removing a machine's guards, make sure that ____________.
There are no obvious hazards in the area.
The machine will not be damaged during the procedure.
Maintenance is aware of the work being performed.
The machine has been locked and tagged out.
A mechanical interlock ____________ prevents a machine's operation when the guard is out of place.
Theoretically
Electronically
Physically
Does not
An employee finished maintenance and left their personal lock on a machine. The next shift verifies the employee is not at work. What is the correct process to remove the lock?
Anyone can remove it because production must continue.
The previous shift supervisor should keep a spare key and remove it, then notify the employee later.
The lock's owner must return to remove it personally.
A supervisor, after making every attempt to contact the employee, removes the lock and informs the employee that it was removed upon their return.
Safety glasses should be worn when ____________.
Using a drill press
Driving heavy machinery outdoors
Working above someone on a mezzanine
Using a micrometer in inspection
A worker should immediately lock out a machine upon discovering that the ____________.
Guard has been bypassed
Machine is about to fail but still producing bad parts
Machine is running inefficiently
Nearby machine has failed
Which type of safety barrier prevents an operator's arms from entering the machine during operation?
Safety harness
Proximity tether
Locking hasp
Holdback restraint
