62 Auto Heating & Air Conditioning
9. Older multimeters used a _____ that moved against a
calibrated background.
10. What is the purpose of an ammeter inductive pickup?
11. To remove snap rings, the technician needs special
snap ring _____.
12. The two most common kinds of hose fi tting types are
the _____ fi tting and the _____ fi tting.
13. Raising pressure in the refrigeration system causes
water to boil at ______ than normal temperatures.
14. A ______ is a unit of pressure.
15. An ______ must be allowed to operate for long periods.
16. What undesirable thing will happen if too much
antifreeze is placed in a cooling system?
17. Manufacturers’ service information is often divided
into _____ and _____ manuals.
18. General manuals contain service information about
many kinds of _____.
19. A specialized manual covers a specifi c vehicle _____.
20. Today, many manuals and other kinds of paper
literature are being replaced by information that can
be accessed using a _____.
ASE Certifi cation-Type Questions
1. All of the following statements about gauge manifolds
are true, except:
(A) R-134a and R-12 manifolds are needed to ser vice
modern vehicles.
(B) technicians often have their own gauge
manifolds.
(C) the low side handwheel is a different color than
the low side hose.
(D) low side gauges can measure vacuum.
2. Technician A says that a mechanical temperature
gauge may be used to determine air temperature as it
leaves the HVAC system vents. Technician B says that
an infrared temperature gauge may be used to check
the temperature of engine coolant. Who is right?
(A) A only.
(B) B only.
(C) Both A and B.
(D) Neither A nor B.
3. An electronic leak detector is being used to check for
leaks. The detector begins to squeal loudly. Which of
the following is the most likely cause?
(A) Low detector battery.
(B) Severe refrigerant leak.
(C) Slight refrigerant leak.
(D) Presence of contaminated refrigerant.
4. Which of the following devices is used to perform
open loop fl ushing?
(A) Refrigerant cycling machine.
(B) Recovery and recycling machine.
(C) Blowgun.
(D) Parts solvent.
5. Which of the following is not a dedicated
refrigeration service device?
(A) Recycle/recovery machine.
(B) Charging station.
(C) Storage cylinder.
(D) Charging scale.
6. A charging station combines all of the following
components, except:
(A) fl ushing unit.
(B) gauges.
(C) hoses.
(D) weighing scale.
7. Technician A says that a spectrograph can measure
coolant temperature. Technician B says that a
hydrometer can measure coolant freezing point. Who
is right?
(A) A only.
(B) B only.
(C) Both A and B.
(D) Neither A nor B.
8. All of the following statements about service
literature are true, except:
(A) overhaul manuals contain comprehensive
disassembly and reassembly information.
(B) a schematic is a graphic representation of an
electrical or vacuum system.
(C) troubleshooting charts contain a series of logical
steps.
(D) vehicle manufacturers publish general service
information.
9. A service information CD-ROM contains which of
the following?
(A) Sales and public relations information.
(B) Troubleshooting and other service information.
(C) Parts and labor prices.
(D) Addresses of paper manual providers.
10. Technician A says that a Web site containing vehicle
service information is called a hotline. Technician B
says that Web sites can be accessed through the
Internet. Who is right?
(A) A only.
(B) B only.
(C) Both A and B.
(D) Neither A nor B.