MMET 401 Exam 2 Ch 11-13 Questions with Correct Answers Latest Update 2025/2026
Chapter 11 - Answers Chapter 11
An __________ is a device that increases the pressure of a gas by mechanically decreasing its
volume. - Answers air compressor
The fastest air speed in any pneumatic system should be no more than ____ fps - Answers 600
Absolute ___ is the hypothetical temperature at which molecular motion ceases, precisely -
273.15 degrees Celsius (- 459.67 F) - Answers zero
An ____ is a specialized vessel that provides storage of a gas 0for use in a pneumatic system -
Answers reciever
______ Law states that when the pressure of a gas is constant, the volume of the gas has a
direct relationship with its absolute temperature - Answers Charle's
_______ law that states that when the volume of a gas is held constant, the pressure exerted by
the gas has a direct relationship to its absolute temperature - Answers Gay Lussac's
In a standard, cubic feet per minute is a measurement; it is assumed that air in the environment
is at ______ F and ______% humidity at 14.7 psia - Answers 68; 36
________ law states that when temperature remains constant, there is an inverse relationship
between pressure and the volume of a gas - Answers Boyle's
Temperature in R is always approximately ___ degrees greater than the temperature in F. -
Answers 460
Air compressors in pneumatic - Answers standard cubic feet per minutes (scfm)
______ is the movement of air in a pneumatic system through pipes, tubing, and hoses that
transmit energy produced by the air compressor to the location where it is needed to
accomplish work - Answers airflow
_____ is a unit of measure that assumes a constant atmospheric environment for air before it is
pushed into a system - Answers SCFM
an _____ system uses a gas under pressure to create movement - Answers pneumatic
When __ is compressed it is trapped in a cylinder chamber and the volume of the chamber is
decreased through mechanical means. - Answers air
absolute pressure is always ____ psi greater than gauge pressure - Answers 14.6
Pneumatic systems operate on the principles of ____, which states that a fluid can flow, has no
definitive shape, and increases in volume with an increase in temperature - Answers fluid
, mechanics
___ is a gas primarily composed of nitrogen and oxygen, with traces of other gases. - Answers
air
In a pneumatic system, ____ is rated as the amount of cubic feet that can pass a given point in
one minute, or cubic feet per minute (cfm) - Answers air flow
absolute pressure is the sum of gauge pressure and _____ pressure - Answers atmospheric
the number of cubic feet per minute in an air compressor is determined by the amount of air
pushed into the ____ of the air compressor - Answers inlet
The ___ gas law covers the values regarding the relationships between the pressure, volume,
and temperature of a gas. - Answers combined
the term "gas" is derived from the greek word for ______ - Answers chaos
______ temperature is any temperature on a scale that begins with absolute zero - Answers
absolute
______ gas law can be applied to find pressure when there are temperature changes, or to find a
temperature when there are pressure changes - Answers Lussac's
Molecules have no movement at __ R - Answers 0
T/F The larger the diameter of the piping in a pneumatic system, the slower the air speed -
Answers T
T/F cylinders operated by pneumatic systems are generally used for low-to-medium force
applications - Answers T
T/F If the gas inside of a receiver cools and the pressure remains constant, then its volume
decreases - Answers T
T/F the gas that pneumatic systems typically use is a mixture of only nitrogen and oxygen -
Answers F
T/F the top speed of air is equal to the speed of sound - Answers T
T/F In pneumatic system piping, the air closest to the pipe wall flows the fastest because of the
resistance created between it and the pipe wall - Answers F
T/F Airflow and pressure differential are directly proportional - Answers T
T/F If the pressure increases and the temperature remains constant, then the volume of a gas
increases - Answers F
Chapter 11 - Answers Chapter 11
An __________ is a device that increases the pressure of a gas by mechanically decreasing its
volume. - Answers air compressor
The fastest air speed in any pneumatic system should be no more than ____ fps - Answers 600
Absolute ___ is the hypothetical temperature at which molecular motion ceases, precisely -
273.15 degrees Celsius (- 459.67 F) - Answers zero
An ____ is a specialized vessel that provides storage of a gas 0for use in a pneumatic system -
Answers reciever
______ Law states that when the pressure of a gas is constant, the volume of the gas has a
direct relationship with its absolute temperature - Answers Charle's
_______ law that states that when the volume of a gas is held constant, the pressure exerted by
the gas has a direct relationship to its absolute temperature - Answers Gay Lussac's
In a standard, cubic feet per minute is a measurement; it is assumed that air in the environment
is at ______ F and ______% humidity at 14.7 psia - Answers 68; 36
________ law states that when temperature remains constant, there is an inverse relationship
between pressure and the volume of a gas - Answers Boyle's
Temperature in R is always approximately ___ degrees greater than the temperature in F. -
Answers 460
Air compressors in pneumatic - Answers standard cubic feet per minutes (scfm)
______ is the movement of air in a pneumatic system through pipes, tubing, and hoses that
transmit energy produced by the air compressor to the location where it is needed to
accomplish work - Answers airflow
_____ is a unit of measure that assumes a constant atmospheric environment for air before it is
pushed into a system - Answers SCFM
an _____ system uses a gas under pressure to create movement - Answers pneumatic
When __ is compressed it is trapped in a cylinder chamber and the volume of the chamber is
decreased through mechanical means. - Answers air
absolute pressure is always ____ psi greater than gauge pressure - Answers 14.6
Pneumatic systems operate on the principles of ____, which states that a fluid can flow, has no
definitive shape, and increases in volume with an increase in temperature - Answers fluid
, mechanics
___ is a gas primarily composed of nitrogen and oxygen, with traces of other gases. - Answers
air
In a pneumatic system, ____ is rated as the amount of cubic feet that can pass a given point in
one minute, or cubic feet per minute (cfm) - Answers air flow
absolute pressure is the sum of gauge pressure and _____ pressure - Answers atmospheric
the number of cubic feet per minute in an air compressor is determined by the amount of air
pushed into the ____ of the air compressor - Answers inlet
The ___ gas law covers the values regarding the relationships between the pressure, volume,
and temperature of a gas. - Answers combined
the term "gas" is derived from the greek word for ______ - Answers chaos
______ temperature is any temperature on a scale that begins with absolute zero - Answers
absolute
______ gas law can be applied to find pressure when there are temperature changes, or to find a
temperature when there are pressure changes - Answers Lussac's
Molecules have no movement at __ R - Answers 0
T/F The larger the diameter of the piping in a pneumatic system, the slower the air speed -
Answers T
T/F cylinders operated by pneumatic systems are generally used for low-to-medium force
applications - Answers T
T/F If the gas inside of a receiver cools and the pressure remains constant, then its volume
decreases - Answers T
T/F the gas that pneumatic systems typically use is a mixture of only nitrogen and oxygen -
Answers F
T/F the top speed of air is equal to the speed of sound - Answers T
T/F In pneumatic system piping, the air closest to the pipe wall flows the fastest because of the
resistance created between it and the pipe wall - Answers F
T/F Airflow and pressure differential are directly proportional - Answers T
T/F If the pressure increases and the temperature remains constant, then the volume of a gas
increases - Answers F
