AC AND HEATING PARTS 3 AND 4 EXAM (ACTUAL EXAM) WITH CORRECT ACTUAL QUESTIONS AND CORRECTLY WELL DEFINED ANSWERS LATEST ALREADY GRADED A+ 2026

AC AND HEATING PARTS 3 AND 4 EXAM
(ACTUAL EXAM) WITH CORRECT ACTUAL
QUESTIONS AND CORRECTLY WELL
DEFINED ANSWERS LATEST ALREADY
GRADED A+ 2026




Technician A says that suction lines become very warm
during A/C operation. Technician B says that discharge lines
connect the compressor to the condenser. Who is correct?


Technician A
Technician B
Both A and B
Neither A nor B - ANSWERS-Tech b


A malfunctioning engine thermostat can be the cause of
poor heater performance.


True

, False - ANSWERS-True


Temperature/pressure charts are not required when
manifold gauges are used in A/C performance testing.
True


False - ANSWERS-False


The heater core may be plugged if the inlet hose feels hot
and the outlet hose feels cool.


True
False - ANSWERS-True


A poor heat out of the floor duct condition is being
discussed. Technician A says the coolant level in the engine's
cooling system may be low. Technician B says the engine's
thermostat may be faulty. Who is correct?
A only
B only
both A and B
neither A nor B - ANSWERS-Both a and b