MTA BUS MAINTAINER CHASSIS EXAM
2025/2026 QUESTIONS AND ANSWERS
100% PASS
1.
All of the following are probable causes of an engine's failure to start EXCEPT
A. cylinders not wired in proper order
B. poor coolant circulation
C. resistance unit burned out
D. defective condenser - ANS B. poor coolant circulation
2.
In an expert system for offboard computer diagnosis , which stage of knowledge acquisi tion in
developing problem - solving rules occurs FIRST ?
A. Implementation
B. Identification
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,C. Formalization
D. Conceptualization - ANS B. Identification
3.
Some suspension units consist of tandem axles joined by a single cross support that also acts as
a vertical pivot for the entire unit . These units are known as
A. axials
B. field frames
C. bogies
D. helicals - ANS C. bogies
4.
In automotive electronics , the fractional duration that ignition points are closed is known as
A. slip
B. gain
C. dwell
D. delay - ANS C. dwell
5.
A brake system's warning lights may be tested by
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, A. testing the bulbs with an ohmmeter
B. depressing the brake pedal and opening a wheel cylinder bleeder screw
C. jumping the wires at the brake distributor switch assembly
D. testing the system with an ammeter - ANS B. depressing the brake pedal and opening a
wheel cylinder bleeder screw
6.
Of the following procedures performed prior to grinding a valve seat , which should be
performed FIRST ?
A. Reaming
B. Adjusting
C. Cleaning
D. Replacement - ANS C. Cleaning
7.
What type of clutch is responsible for controlling a car's air conditioning compressor ?
A. Centrifugal
B. Free - wheeling
3 @COPYRIGHT 2025/2026
2025/2026 QUESTIONS AND ANSWERS
100% PASS
1.
All of the following are probable causes of an engine's failure to start EXCEPT
A. cylinders not wired in proper order
B. poor coolant circulation
C. resistance unit burned out
D. defective condenser - ANS B. poor coolant circulation
2.
In an expert system for offboard computer diagnosis , which stage of knowledge acquisi tion in
developing problem - solving rules occurs FIRST ?
A. Implementation
B. Identification
1 @COPYRIGHT 2025/2026
,C. Formalization
D. Conceptualization - ANS B. Identification
3.
Some suspension units consist of tandem axles joined by a single cross support that also acts as
a vertical pivot for the entire unit . These units are known as
A. axials
B. field frames
C. bogies
D. helicals - ANS C. bogies
4.
In automotive electronics , the fractional duration that ignition points are closed is known as
A. slip
B. gain
C. dwell
D. delay - ANS C. dwell
5.
A brake system's warning lights may be tested by
2 @COPYRIGHT 2025/2026
, A. testing the bulbs with an ohmmeter
B. depressing the brake pedal and opening a wheel cylinder bleeder screw
C. jumping the wires at the brake distributor switch assembly
D. testing the system with an ammeter - ANS B. depressing the brake pedal and opening a
wheel cylinder bleeder screw
6.
Of the following procedures performed prior to grinding a valve seat , which should be
performed FIRST ?
A. Reaming
B. Adjusting
C. Cleaning
D. Replacement - ANS C. Cleaning
7.
What type of clutch is responsible for controlling a car's air conditioning compressor ?
A. Centrifugal
B. Free - wheeling
3 @COPYRIGHT 2025/2026
