Palo Alto Networks

Free ASCS Exam Braindumps
Air Systems Cleaning Specialist Questions 61–65 (page: 14)

Updated On: 10-Feb-2026

Viewing Page 14 of 31 pages.

Download PDF version with 148 Questions

QUESTION: 61

To test whether a residential thermostat is working, the technician should:

perform a thermostat calibration.
turn thermostat off and observe unit response.
check the voltage between the c and r/rh thermostat terminals.
set thermostat to an extreme temperature and observe unit response.

Answer(s): D

Show Answer Next Question

QUESTION: 62

Which of the following is a PRIMARY reason the condensate drain line is flushed and cleaned during Type 2 Coil Cleaning?

Cleaning the drain line lowers static pressure.
A clogged drain line can result in standing water in the Air Handling Unit (AHU).
A clogged drain line would require antimicrobials to be applied to the HVAC ductwork.
Cleaning the drain line increases static pressure.

Answer(s): B

Show Answer Next Question

QUESTION: 63

According to ACR, The NADCA Standard, an HVAC system component is considered contaminated when:

the drain pan does not operate properly.
an HVAC cleanliness evaluation identifies Condition 3.
the airflow from the registers is weak.
settling plates left on room surfaces show evidence of microbial growth.

Answer(s): D

Show Answer Next Question

QUESTION: 64

Damage to the insulation inside an Air Handling Unit (AHU) can lead to:

flooding of the secondary drain pan.
unnecessary static pressure inside the VAVs.
distribution of irritants inside the occupied space.
the need for additional filters.

Answer(s): C

Show Answer Next Question

QUESTION: 65

Mycotoxins are produced by:

mold.
bacteria
viruses.
algae.

Answer(s): A

Show Answer Next Question

10
…
12
13
14
15
16
…
20
30

Download PDF Next Page

Viewing page 14 of 31
Viewing questions 66 - 70 out of 148 questions

Post your Comments and Discuss NADCA ASCS exam prep with other Community members:

Comments:

Name:

AI Tutor

AI Tutor 👋 I’m here to help!