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INDUSTRIAL MAINTENANCE FINAL EXAM REVIEW WITH COMPLETE SOLUTIONS

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INDUSTRIAL MAINTENANCE FINAL EXAM REVIEW WITH COMPLETE SOLUTIONSINDUSTRIAL MAINTENANCE FINAL EXAM REVIEW WITH COMPLETE SOLUTIONSINDUSTRIAL MAINTENANCE FINAL EXAM REVIEW WITH COMPLETE SOLUTIONS ____ current is current that reverses its direction of flow at regular intervals. - ANSWER-alternating ...

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  • March 25, 2025
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • INDUSTRIAL MAINTENANCE
  • INDUSTRIAL MAINTENANCE
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INDUSTRIAL MAINTENANCE FINAL
EXAM REVIEW WITH COMPLETE
SOLUTIONS
____ current is current that reverses its direction of flow at regular intervals. - ANSWER-
alternating

____ is the amount of electrical pressure that causes electrons to move in a circuit. -
ANSWER-voltage

Current is measured in ____. - ANSWER-amperes

A(n) ____ is a device that automatically opens a circuit to prevent damage from a high-
current condition. - ANSWER-OCPD

A(n) ____ is the conducting part of a switch that operates with another conducting part
to complete (close) or break (open) a circuit. - ANSWER-contact

A(n) ____ is an electrical switch that is actuated by a separate circuit. - ANSWER-relay

A(n) ____ circuit is a circuit having an incomplete path, which prevents current flow. -
ANSWER-open

____ is the opposition to the flow of electrons. - ANSWER-resistance

A(n) ____ is a material that has little resistance and permits electrons to move through it
easily. - ANSWER-conductor

____ is the discharge of an electric current across a gap. - ANSWER-arcing

A(n) ____ circuit is an undesirable, low-resistance path for current to leave the normal
current-carrying path through a load. - ANSWER-short

A(n) ____ circuit is a circuit that has two or more components connected such that there
is only one path for current flow. - ANSWER-series

____ is a material that has a high resistance. - ANSWER-insulator

A(n) ____ circuit is a circuit having a complete path for current flow. - ANSWER-closed

A(n) ____ circuit is a conducting connection between electrical equipment and the
earth. - ANSWER-ground

, A(n) ____ is a heat exchanger through which heat is transferred to the low-pressure
refrigerant liquid. - ANSWER-evaporator

A(n) ____ is a temperature sensor inside a temperature-controlled space that sends
signals to a control system in order to maintain a set temperature. - ANSWER-
thermostat

____ condensers are the most common condensers used in refrigeration systems. -
ANSWER-air-cooled

____ heat is heat energy that causes a change of state but no temperature change. -
ANSWER-latent

A(n) ____ is a heat exchanger that removes heat from high-pressure refrigerant vapor. -
ANSWER-condenser

Refrigerant ____ is the process of removing refrigerant from a system and capturing it in
a recovery cylinder, with no cleaning of refrigerant. - ANSWER-recovery

A low-pressure boiler is a boiler that has an MAWP of up to ____ psi. - ANSWER-15

A(n) ____ is a substance that separates moving (bearing) surfaces to reduce the friction
and/or wear between them. - ANSWER-lubricant

The gear diameter determines the ____ of teeth on a gear. - ANSWER-number

A cam ____ is a machine part that contacts the cam and moves in a designated path. -
ANSWER-follower

A(n) ____ is a device used to connect a mechanical drive to a prime mover. -
ANSWER-coupling

A(n) ____ is a flexible loop that connects two or more pulleys for transferring rotational
power. - ANSWER-belt

A(n) ____ bearing is a bearing designed to provide low-friction movement of a
mechanical device that moves in a straight line. - ANSWER-linear

A boiler horsepower is the power available from the evaporation of ____lb of water per
hour at a feedwater temperature of ____F. - ANSWER-34.5; 212

A therm is a unit of heat energy equivalent to ____ Btu. - ANSWER-100,000

T or F: A package boiler is preassembled at the factory. - ANSWER-true

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