ASCS EXAM 2025 QUESTIONS WITH
COMPLETE SOLUTIONS!!
1 of 72
Term
According to ACR, The NADCA standard, prior to Type 2 Coil Cleaning,
the condensate pan and drain should be:
Plugged to prevent leakage
Verified for proper drainage
HEPA vacuumed
Compressed air washed
Give this one a try later!
, C. Restore the evaporator coil to its B. On both the upstream and
original pressure drop downstream sides
C. All employees working on the B. Verified for proper drainage
project
Don't know?
2 of 72
Term
According to ACR, The NADCA Standard, coil cleaning should be
performed:
A. On the upstream side only
B.On both the upstream and downstream sides
C. On the downstream side only
D.When the system in running
Give this one a try later!
C. Restore the evaporator coil to its C. All employees working on the
original pressure drop project
B. Verified for proper drainage B. On both the upstream
and downstream sides
Don't know?
, 3 of 72
Term
An ASCS is cleaning an exhaust system that has a fan located
adjacent to an outside air intake. Which of the following is potential
source of cross-contamination?
A. Thermal drift
B.Stratification
C. Capture of exhaust air
D.Negative pressure in the exhaust duct
Give this one a try later!
C. Allergic rhinitis C. Removed and replaced
C. Decline to answer the questions C. Capture of exhaust air
due to a conflict of interest
Don't know?
, 4 of 72
Term
Which standard recommends to keep a list of HVAC systems and
their location?
A. ANSI/ANSHRAE/ACCA 180-2018
B.ACR, The NADCA Standard
C. ANSI/SMANCNA 006-2006
D.NAIMA AH124
Give this one a try later!
C. Medically recognized diseases B. The designated point of contact
or disorders
A. Condensate drain line and drain A. ANSI/ANSHRAE/ACCA 180-
pan 2018
Don't know?
COMPLETE SOLUTIONS!!
1 of 72
Term
According to ACR, The NADCA standard, prior to Type 2 Coil Cleaning,
the condensate pan and drain should be:
Plugged to prevent leakage
Verified for proper drainage
HEPA vacuumed
Compressed air washed
Give this one a try later!
, C. Restore the evaporator coil to its B. On both the upstream and
original pressure drop downstream sides
C. All employees working on the B. Verified for proper drainage
project
Don't know?
2 of 72
Term
According to ACR, The NADCA Standard, coil cleaning should be
performed:
A. On the upstream side only
B.On both the upstream and downstream sides
C. On the downstream side only
D.When the system in running
Give this one a try later!
C. Restore the evaporator coil to its C. All employees working on the
original pressure drop project
B. Verified for proper drainage B. On both the upstream
and downstream sides
Don't know?
, 3 of 72
Term
An ASCS is cleaning an exhaust system that has a fan located
adjacent to an outside air intake. Which of the following is potential
source of cross-contamination?
A. Thermal drift
B.Stratification
C. Capture of exhaust air
D.Negative pressure in the exhaust duct
Give this one a try later!
C. Allergic rhinitis C. Removed and replaced
C. Decline to answer the questions C. Capture of exhaust air
due to a conflict of interest
Don't know?
, 4 of 72
Term
Which standard recommends to keep a list of HVAC systems and
their location?
A. ANSI/ANSHRAE/ACCA 180-2018
B.ACR, The NADCA Standard
C. ANSI/SMANCNA 006-2006
D.NAIMA AH124
Give this one a try later!
C. Medically recognized diseases B. The designated point of contact
or disorders
A. Condensate drain line and drain A. ANSI/ANSHRAE/ACCA 180-
pan 2018
Don't know?
