IICRC Commercial Drying Specialist (CDS)
Exam Newest 2026 Questions and Correct
Detailed Answers Already Graded A+
Chiller-water systems circulate conditioned water (chilled or heated)
through the system that isdistributed to ________________ - CORRECT
ANSWER
he temperature at which humidity in air reaches saturation (100% RH),
below which watervapor will condense from that air toform condensation on
surfaces is called the ____ - CORRECT ANSWERDew point
Convection, conduction and radiation are the three mechanisms of _ -
CORRECT ANSWERVapor diffusion
Enthalpy is a measure of the total energy in the air and is thetotal of the
____________energyand the ______________ energy - CORRECT
ANSWERSensible
Latent
Humidity ratio, dewpoint and vapor pressure are all absolute ways of
expressing the moisturecontent of the air. True or False - CORRECT
ANSWERTrue
,as the temperature of a material is increased, it's internal vapor pressure
________ - CORRECT ANSWERIncreases
The2nd law ofthermodynamicsstates thatenergy flows only from being
concentrated in oneplace to becoming diffused or dispersed.True or False -
CORRECT ANSWERTrue
The two primary mechanisms by which moisture moves through
materialsare_________________ and ____________________ -
CORRECT ANSWERCapillary action
Vapor diffusion
Water activity describes the amount of free water available to ______ -
CORRECT ANSWERSupport microbial growth at the surface of a material
the energy that is released or absorbed as a material goes through a phase
change is called_____________________energy - CORRECT
ANSWERLatent
The first principle of restoration as described by the S500 on a restoration
project is to _____ - CORRECT ANSWERAccount for the health and safety
of occupants
Describe at least three characteristics of commercial drying projects that
make it different from typical residential ones - CORRECT
ANSWERComplex wiring
, Public access and security
Multiple stakeholders
Electrical power
Complex construction,materials, codes
The S500 describes Commercial Buildings in the following way:
•Commercial
•Industrial
•Institutional
•Complex residential - CORRECT ANSWERCommercial- mixed use
buildings, retail, office/warehouses, multi/tenant buildings
Industrial- used for manufacturing/distribution centers , foundries,
petrochemical plants, water/sewage treatment facilities
Institutional- public use facilities, schools, colleges, hospitals, libraries,
offices
Complex residential- condos, apartments, hotels, private mansions
Decisions made following the initial inspection includes, but are not
necessarily limited to
____________________________________________________________
____________________________________________________________
____________________________________________________________
Exam Newest 2026 Questions and Correct
Detailed Answers Already Graded A+
Chiller-water systems circulate conditioned water (chilled or heated)
through the system that isdistributed to ________________ - CORRECT
ANSWER
he temperature at which humidity in air reaches saturation (100% RH),
below which watervapor will condense from that air toform condensation on
surfaces is called the ____ - CORRECT ANSWERDew point
Convection, conduction and radiation are the three mechanisms of _ -
CORRECT ANSWERVapor diffusion
Enthalpy is a measure of the total energy in the air and is thetotal of the
____________energyand the ______________ energy - CORRECT
ANSWERSensible
Latent
Humidity ratio, dewpoint and vapor pressure are all absolute ways of
expressing the moisturecontent of the air. True or False - CORRECT
ANSWERTrue
,as the temperature of a material is increased, it's internal vapor pressure
________ - CORRECT ANSWERIncreases
The2nd law ofthermodynamicsstates thatenergy flows only from being
concentrated in oneplace to becoming diffused or dispersed.True or False -
CORRECT ANSWERTrue
The two primary mechanisms by which moisture moves through
materialsare_________________ and ____________________ -
CORRECT ANSWERCapillary action
Vapor diffusion
Water activity describes the amount of free water available to ______ -
CORRECT ANSWERSupport microbial growth at the surface of a material
the energy that is released or absorbed as a material goes through a phase
change is called_____________________energy - CORRECT
ANSWERLatent
The first principle of restoration as described by the S500 on a restoration
project is to _____ - CORRECT ANSWERAccount for the health and safety
of occupants
Describe at least three characteristics of commercial drying projects that
make it different from typical residential ones - CORRECT
ANSWERComplex wiring
, Public access and security
Multiple stakeholders
Electrical power
Complex construction,materials, codes
The S500 describes Commercial Buildings in the following way:
•Commercial
•Industrial
•Institutional
•Complex residential - CORRECT ANSWERCommercial- mixed use
buildings, retail, office/warehouses, multi/tenant buildings
Industrial- used for manufacturing/distribution centers , foundries,
petrochemical plants, water/sewage treatment facilities
Institutional- public use facilities, schools, colleges, hospitals, libraries,
offices
Complex residential- condos, apartments, hotels, private mansions
Decisions made following the initial inspection includes, but are not
necessarily limited to
____________________________________________________________
____________________________________________________________
____________________________________________________________