POSTAL AUTOMOTIVE TECHNICIAN
EXAM 944 WITH 100% CORRECT
ANSWERS 2026
The Vibration Damper on an Auto Engine is Fastened to the
Crankshaft
Most Small Gas Engines Use a _________ Ignition System
Magneto
Icing Occurs Most Often
On Cool Damp Days
The Function of the Float in a Carburetor is to
Close the Needle Valve
To Improve Stability When Cornering, Manufacturers Added a Device to Cars Called
Stabilizer Bar
Adjustment of the Rods on a Car Will Affect
Toe-in
A Restriction in the Exhaust System is Indicated on a Vacuum Gauge by a
Gradual Decrease in Reading
Disc Brakes on a Car Have a Distinct Advantage Over Conventional Drum Brakes in That They
Fade Less When Hot
In a Diesel Engine, the Fuel is Ignited by the
Heat of Compression
Engine Timing is Generally Set by Using a
Strobe Light
If an engine is operating at part throttle for long periods, what will happen to the spark plugs?
Spark plugs will become covered with carbon
What will leaking intake valve guides cause?
Excessive oil consumption
, What generally causes flooding of a carburetor?
A stuck float needle valve
On many cars, what is the fuel pump combined with?
Vacuum pump
What does carbon fouling of a spark plug indicate?
Too rich a mixture
If generator output is excessive even after disconnecting the F Terminal, where might the trouble be?
The generator
How does an automobile alternator convert alternating current to direct current?
By means of silicon diodes
What often causes hard starting?
Improper choke operation
A car with a history of burned points would likely indicate what problem with the voltage regulator?
Too high setting
What is the maximum allowable oversize amount when reconditioning brake drums?
.060 inches
21. Intake Stroke Air Fuel Mixture Measurement
Volumetric Efficiency
22. Purpose of Welch Plugs
Sand Removal After Casting
23. Two Cycle Engine Power Stroke Frequency
Revolution
24. Preignition Cause
Carbon Deposits
25. Outdoor Motor Propeller Size Units
Diameter and Pitch
26. Closed Crank Case Ventilation System Purpose
Air Contamination Prevention
27. Angular Motion around Vertical Axis
EXAM 944 WITH 100% CORRECT
ANSWERS 2026
The Vibration Damper on an Auto Engine is Fastened to the
Crankshaft
Most Small Gas Engines Use a _________ Ignition System
Magneto
Icing Occurs Most Often
On Cool Damp Days
The Function of the Float in a Carburetor is to
Close the Needle Valve
To Improve Stability When Cornering, Manufacturers Added a Device to Cars Called
Stabilizer Bar
Adjustment of the Rods on a Car Will Affect
Toe-in
A Restriction in the Exhaust System is Indicated on a Vacuum Gauge by a
Gradual Decrease in Reading
Disc Brakes on a Car Have a Distinct Advantage Over Conventional Drum Brakes in That They
Fade Less When Hot
In a Diesel Engine, the Fuel is Ignited by the
Heat of Compression
Engine Timing is Generally Set by Using a
Strobe Light
If an engine is operating at part throttle for long periods, what will happen to the spark plugs?
Spark plugs will become covered with carbon
What will leaking intake valve guides cause?
Excessive oil consumption
, What generally causes flooding of a carburetor?
A stuck float needle valve
On many cars, what is the fuel pump combined with?
Vacuum pump
What does carbon fouling of a spark plug indicate?
Too rich a mixture
If generator output is excessive even after disconnecting the F Terminal, where might the trouble be?
The generator
How does an automobile alternator convert alternating current to direct current?
By means of silicon diodes
What often causes hard starting?
Improper choke operation
A car with a history of burned points would likely indicate what problem with the voltage regulator?
Too high setting
What is the maximum allowable oversize amount when reconditioning brake drums?
.060 inches
21. Intake Stroke Air Fuel Mixture Measurement
Volumetric Efficiency
22. Purpose of Welch Plugs
Sand Removal After Casting
23. Two Cycle Engine Power Stroke Frequency
Revolution
24. Preignition Cause
Carbon Deposits
25. Outdoor Motor Propeller Size Units
Diameter and Pitch
26. Closed Crank Case Ventilation System Purpose
Air Contamination Prevention
27. Angular Motion around Vertical Axis
