Servicing A.C. pretest

Servicing A.C. pretest

University

10 Qs

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Servicing A.C. pretest

Servicing A.C. pretest

Assessment

Quiz

Education

University

Practice Problem

Hard

Created by

Robert Vaughn

Used 1+ times

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

If an odor in the air-conditioning system is in all positions, the problem is likely in the __________.

evaporator

cooling system
heating system

engine system

2.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

Which of the following is NOT a method of leak testing?

Pressurizing the A/C system with nitrogen

Fluorescent dye and an ultraviolet lamp

Electronic leak detectors

oxygenated purge

3.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

If the compressor fails internally, it may make what type of noise?

hissing or whistling
squeaking or chirping
rumbling or vibrating
grinding or knocking

4.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

The type of refrigerant must remain the same because cross-contamination will create a(n) __________.

no impact on efficiency, system performance, or safety
reduced efficiency, damage to the system, and potential safety hazards
increased efficiency, improved system performance, and enhanced safety
reduced efficiency, improved system performance, and enhanced safety

5.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

 When cleaning a condenser, shop air or a water hose may be used to remove the debris, but be careful to not fold over the __________.

fins
coil
pipes
fan

6.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

Technician A says the cabin air filter should be inspected during every service and replaced only according to the manufacturer's specified interval. Technician B says the filter should be checked for any cracks, tears, or deformities that would cause it to be ineffective. Who is correct?

Technician A
Neither technician
Technician B
Both technicians

7.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

Technician A says O-rings in the fittings must be replaced only if they show signs of wear or damage. Technician B says the removal of hoses and lines is done for replacement purposes or to access another component. Who is correct?

Technician A
Technician B
Neither
Both

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