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POSTAL AUTOMOTIVE TECHNICIAN EXAM 944 PREP
MATERIAL NEWEST 2026/2027 COMPLETE 200
QUESTIONS AND CORRECT DETAILED ANSWERS
FULLY VERIFIED BRAND NEW VERSION HIGH YIELD
STUDY GUIDE ACTUAL UPDATED PRACTICE
QUESTIONS POSTAL EXAM PREPARATION SUCCESS
REVIEW
Black Smoke Emission Cause - CORRECT ANSWER=Possible reasons for
black smoke from exhaust
Exhaust System Leak Check - CORRECT ANSWER=Methods to detect leaks
in the exhaust system
White Smoke Emission Cause - CORRECT ANSWER=Possible reasons for
white smoke from exhaust
Transmission Slipping Cause - CORRECT ANSWER=Factors leading to
slipping or delayed shifting
Transmission Solenoid Diagnosis - CORRECT ANSWER=Steps to diagnose
issues with transmission solenoid
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Worn Differential Bearings Check - CORRECT ANSWER=Methods to check for
worn bearings in the differential
Driveshaft Noises Cause - CORRECT ANSWER=Possible reasons for clunking
or rattling driveshaft
Transfer Case Malfunction Diagnosis - CORRECT ANSWER=Steps to
diagnose issues with the transfer case
1. The vibration damper on an auto engine is fastened to the - CORRECT
ANSWER=Crankshaft
2. Most small gas engines use a _________ ignition system - CORRECT
ANSWER=Magneto
3. Icing occurs most often - CORRECT ANSWER=On cool damp days
4. The function of the float in a carburetor is two - CORRECT ANSWER=Close
the needle valve
5. To improve stability when cornering manufactures added a device to cars
called - CORRECT ANSWER=Stabilizer bar
6. adjustment of the rods on a car will affect - CORRECT ANSWER=Toe-in
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7. A restriction in the exhaust system is indicated on a vacuum gauge by a -
CORRECT ANSWER=gradual decrease in reading
8. Disc brakes on a car have a distinct advantage over conventional drum
brakes in that they - CORRECT ANSWER=Fade Less when hot
9. In a diesel engine, the fuel is ignited by the - CORRECT ANSWER=Heat of
compression
10. Engine timing is generally set by using a - CORRECT ANSWER=Strobe light
11. If an
engine is operating for long periods of time at part throttle opening the -
CORRECT ANSWER=Spark plugs will become covered with carbon
12. Leaking intake valve guides will cause - CORRECT ANSWER=Excessive oil
consumption
13. Flooding of a carburetor is generally caused by - CORRECT ANSWER=A
stuck float needle valve
14. On many cars the fuel pump is combined with the - CORRECT
ANSWER=vacuum pump
POSTAL AUTOMOTIVE TECHNICIAN EXAM 944 PREP
MATERIAL NEWEST 2026/2027 COMPLETE 200
QUESTIONS AND CORRECT DETAILED ANSWERS
FULLY VERIFIED BRAND NEW VERSION HIGH YIELD
STUDY GUIDE ACTUAL UPDATED PRACTICE
QUESTIONS POSTAL EXAM PREPARATION SUCCESS
REVIEW
Black Smoke Emission Cause - CORRECT ANSWER=Possible reasons for
black smoke from exhaust
Exhaust System Leak Check - CORRECT ANSWER=Methods to detect leaks
in the exhaust system
White Smoke Emission Cause - CORRECT ANSWER=Possible reasons for
white smoke from exhaust
Transmission Slipping Cause - CORRECT ANSWER=Factors leading to
slipping or delayed shifting
Transmission Solenoid Diagnosis - CORRECT ANSWER=Steps to diagnose
issues with transmission solenoid
,2|Page
Worn Differential Bearings Check - CORRECT ANSWER=Methods to check for
worn bearings in the differential
Driveshaft Noises Cause - CORRECT ANSWER=Possible reasons for clunking
or rattling driveshaft
Transfer Case Malfunction Diagnosis - CORRECT ANSWER=Steps to
diagnose issues with the transfer case
1. The vibration damper on an auto engine is fastened to the - CORRECT
ANSWER=Crankshaft
2. Most small gas engines use a _________ ignition system - CORRECT
ANSWER=Magneto
3. Icing occurs most often - CORRECT ANSWER=On cool damp days
4. The function of the float in a carburetor is two - CORRECT ANSWER=Close
the needle valve
5. To improve stability when cornering manufactures added a device to cars
called - CORRECT ANSWER=Stabilizer bar
6. adjustment of the rods on a car will affect - CORRECT ANSWER=Toe-in
, 3|Page
7. A restriction in the exhaust system is indicated on a vacuum gauge by a -
CORRECT ANSWER=gradual decrease in reading
8. Disc brakes on a car have a distinct advantage over conventional drum
brakes in that they - CORRECT ANSWER=Fade Less when hot
9. In a diesel engine, the fuel is ignited by the - CORRECT ANSWER=Heat of
compression
10. Engine timing is generally set by using a - CORRECT ANSWER=Strobe light
11. If an
engine is operating for long periods of time at part throttle opening the -
CORRECT ANSWER=Spark plugs will become covered with carbon
12. Leaking intake valve guides will cause - CORRECT ANSWER=Excessive oil
consumption
13. Flooding of a carburetor is generally caused by - CORRECT ANSWER=A
stuck float needle valve
14. On many cars the fuel pump is combined with the - CORRECT
ANSWER=vacuum pump
