Intro To Mechatronics Test 1

A class A fire __________.

• Is burning metal that must be extinguished with dry powder

• Is burning wood or paper and is extinguished with water

• Requires shutting off electricity before extinguishing it

• Is extinguished by smothering or cutting off the oxygen supply

A group of employees and managers who work together to maintain a safe work environment is known as which of the following?

• A safety committee

• A HAZMAT team

• A fire brigade

• Accident and injury investigation team

A machine __________ is a device that is designed to keep the operator clear of dangerous machine parts.

• Guard

• Rest

• Emergency stop

• Barrier

A sensor that stops a machine if a door is opened is an example of a(n) __________.

• Electrical interlock

• Barrier interlock

• Mechanical interlock

• Guard interlock

A(n) __________ is a device or system that shuts down a machine immediately if the operator is in danger.

• Emergency stop

• Halt

• Cycle stop

• PAUSE

A(n) __________ prevents a machine from operating without the proper guards in place.

• Interlock

• Deadman switch

• Lockout

• Hard stop

A(n) __________ prevents someone from powering up a machine while it is being serviced by someone else.

• Lockout

• Interlock

• Emergency stop

• Cycle halt

An emergency stop pushbutton __________.

• Has a red mushroom head for easy location

• Is colored black to distinguish it from start switches

• Has a recessed button to prevent accidental activation

• Resets automatically when released

An operator __________ is an interlock that prevents the operator from being in harm's way while the machine is in operation.

• Barrier

• Guard

• Restraint

• Emergency stop

EPA regulations are designed to protect you from which of the following hazards?

• Slips, trips, and falls

• Fires

• Airborne & waterborne contaminants

• Mechanical hazards