AUTOMOTIVE SERVICE EXCELLENCE FINAL
PAPER 2026 COMPLETE QUESTIONS AND
ANSWERS
◉ To burn one pound of gasoline with maximum efficiency requires
about. Answer: 8 pounds of air
◉ A rich air-fuel mixture is needed for. Answer: Cruising speed
◉ An internal engine condition affecting fuel requirements is.
Answer: Mixture distribution
◉ Obtaining maximum power results in. Answer: Excess unburned
fuel
◉ Maximum fuel economy requires. Answer: Richer air-fuel
mixtures
◉ For maximum power, the air-fuel ratio becomes. Answer: Leaner
during acceleration
◉ For maximum fuel economy, the air-fuel ratio becomes. Answer:
Leaner at high speeds
, ◉ Different fuel-blending techniques are used by refiners to.
Answer: Replace impurities with additives
◉ Technician A says carburetors use two, three or four barrels.
Technician B says carburetors are not found on later-model cars.
Who is right?. Answer: Both technicians A and B are correct
◉ Technician A says that a fuel tank filler tube may be one piece
welded in the tank. Technician B says a fuel tank filler tube may be
two pieces with a hose between them. Who is correct?. Answer: Both
Technicians A and B
◉ In order to prevent any unwanted substance from being picked up
by the fuel pickup tube, it is equipped with. Answer: A filter sock
◉ If the fuel tank is not vented properly, fuel delivery may be
prevented due to. Answer: Vacuum lock
◉ High-pressure fuel delivery lines should be equipped only with
what type of clamps?. Answer: Rolled edge
◉ EVAP systems were mandated on all cars beginning in the.
Answer: 1970s
PAPER 2026 COMPLETE QUESTIONS AND
ANSWERS
◉ To burn one pound of gasoline with maximum efficiency requires
about. Answer: 8 pounds of air
◉ A rich air-fuel mixture is needed for. Answer: Cruising speed
◉ An internal engine condition affecting fuel requirements is.
Answer: Mixture distribution
◉ Obtaining maximum power results in. Answer: Excess unburned
fuel
◉ Maximum fuel economy requires. Answer: Richer air-fuel
mixtures
◉ For maximum power, the air-fuel ratio becomes. Answer: Leaner
during acceleration
◉ For maximum fuel economy, the air-fuel ratio becomes. Answer:
Leaner at high speeds
, ◉ Different fuel-blending techniques are used by refiners to.
Answer: Replace impurities with additives
◉ Technician A says carburetors use two, three or four barrels.
Technician B says carburetors are not found on later-model cars.
Who is right?. Answer: Both technicians A and B are correct
◉ Technician A says that a fuel tank filler tube may be one piece
welded in the tank. Technician B says a fuel tank filler tube may be
two pieces with a hose between them. Who is correct?. Answer: Both
Technicians A and B
◉ In order to prevent any unwanted substance from being picked up
by the fuel pickup tube, it is equipped with. Answer: A filter sock
◉ If the fuel tank is not vented properly, fuel delivery may be
prevented due to. Answer: Vacuum lock
◉ High-pressure fuel delivery lines should be equipped only with
what type of clamps?. Answer: Rolled edge
◉ EVAP systems were mandated on all cars beginning in the.
Answer: 1970s
