Exam 1 Flashcards
briefly describe
Briefly describe what you believe are the two most important actions everyone should observe to remain safe in a machining environment.
staying alert and focused lay the foundation for a proper attitude about safety, knowing the location of first aid supplies and in the event of an accident
Briefly describe what you believe are the two most important actions that should never be tolerated in a machining environment.
horseplay and proper attire
What should be done in the case of a personal injury emergency?
call 911
What does OSHA stand for and what is OSHA’s purpose?
The Occupational Safety and Heath Administration a federal agency that sets and enforces regulations for workplace safety
List three specific clothing items that should not be worn in a machining setting.
loose fitting clothes, ope toe shoes, necklaces, etc
Never operate machinery without proper — in place.
attire
What is PPE?
Personal Protective equipment refers to safety equipment that is to be worn to protect from potential dangers
What is the most common and important piece of PPE that should always be used in a machining environment?
eye protection/goggles
What does NFPA stand for?
National Fire Association
What does HMIS stand for?
Hazardous Material Identification System
What is the purpose of NFPA and HMIS labeling?
to identify specific types of hazards and their levels of danger
What does SDS stand for, and what is the purpose of SDSs?
Safety Data Sheet hazardous materials are contained in it companies rely on it to guide and protect workers
Class A fire extinguishers use _ as a media to put out fires.
pressurized water
What class of fire extinguisher should be used on an electrical fire?
class c
What class of fire extinguisher should be used on flammable liquids?
class b
What is the purpose of lockout and tagout procedures?
to ensure safety for workers for accidental or unexpected startup of machinery and equipment during maintenance or repair activities.
Define semi-precision measurement.
refers to measurement when results do not need to be more precise that 1/64” or 1/100”
What is comparison measurement?
a method of evaluating an object or process by comparing it to a standard or reference point to assess its performance
List three rules to follow when using or storing semi-precision measuring tools.
holding the edge of the rule against the surface being measured, aligning a major graduation with an edge, hold the rule parallel to the dimension being measured
List the parts of the combination set.
blade, square head, center head, and protractor
Describe four uses of the combination set.
to make comparative measures, measure angles, check heights or depths
What semi-precision tool is used to take angular measurements?
protractor head
What type of square has a blade that can be tilted to angular settings?
a protractor depth gage
List three key points in caring for precision measuring tools.
keep away from dust, grit, and moving machine parts during use
What type of fixed gage can be used to check a threaded hole?
thread plug gages
How is the “go” member of a go/no-go ring gage set identified?
the go member is always longer than the no-go
What type of fixed gage can be used to check a diameter?
pin or plug gage
How is the “go” member of a go/no-go ring gage set identified?
by its class and tolerance amount
What type of fixed gage can be used to check external threads?
thread go/no-go ring gage
a can provide a reference plane for taking precision measurements
surface plates
what 2 other tools can be used with the answer to the previous question to check for perpendicularity
solid squares (variety if sizes and beveled edges)
is the process of attaching gage blocks to each other
wringing
What is the smallest graduation on an English vernier caliper?
0.001 inch
What is the smallest graduation on a metric vernier caliper?
0.5 mm
A micrometer uses an accurate —
_ to perform measurement.
screw thread
Define the term layout and briefly explain the purpose for layout.
describe the process of locating and marking a workplace as a visual reference to guide machining operations