UPDATED QUESTIONS AND CORRECT
ANSWERS
Once a repair is completed, technicians must ___. - CORRECT ANSWER Carefully
record the problem, causes, and solutions
___ maintenance is scheduled work required to keep equipment in peak operating condition. -
CORRECT ANSWER Preventive
___ maintenance is performed to minimize emergency work and ensure reliable and efficient
operations. - CORRECT ANSWER Scheduled
A ___ is a document that details specific maintenance tasks to be completed. - CORRECT
ANSWER Work order
The ___ is a federal government regulatory agency that requires all employers to provide a
safe working environment for their employees. - CORRECT ANSWER Occupational
Safety and Health Administration (OSHA)
Fall protection equipment is required when working in elevated spaces (over ___' above the
ground) or confined spaces. - CORRECT ANSWER 6
A ___ does not prevent the start up of equipment, but it serves as a warning to operating and
service personnel. - CORRECT ANSWER Tagout
NFPA 704, Standard system for the identification of the hazards of materials for emergency
response, uses a ___ -color diamond design to display basic information about hazardous
materials. - CORRECT ANSWER Four
, ___ diagrams resemble a ladder, so they are also known as ladder diagrams. - CORRECT
ANSWER Line
Updates to an operator's manual may be distributed as ___. - CORRECT
ANSWER Service bulletins
Force can be measured in ___. - CORRECT ANSWER Pounds
On the Celsius scale, ___ C is the freezing point. - CORRECT ANSWER 0
___ keys are used for transmitting heavy torques in shafts and hubs that are reversed
frequently and subject to vibration. - CORRECT ANSWER Taper
___ are used to seal close-fitting pieces of metal such as parts of an engine or pipe flanges. -
CORRECT ANSWER Gaskets
A belt drive is a ___ mechanical drive system that uses a belt and pulleys to transfer power
between two shafts. - CORRECT ANSWER Nonsynchronous
A(n) ___ bearing is a bearing that contains moving elements that provide a low-friction
support surface for rotating or sliding surfaces. - CORRECT ANSWER Antifriction
The lower portion of a gearbox is usually a ___. - CORRECT ANSWER Reservoir for
lubricating internal gears
Poor bearing ___ allow dirt and other contaminants to enter the bearing components. -
CORRECT ANSWER Seals
The power formula is the relationship between ___ in a circuit. - CORRECT
ANSWER Power, voltage, and current