MTA BUS MAINTAINER CHASSIS EXAM
QUESTIONS AND ANSWERS
Question 1
What reading will appear on an infrared meter which indicates a failure of converter ?
____HC / ____CO .
A. Low ; high
B. Low ; low
C. High ; low
D. High ; high
Correct Answer
C. High ; low
Question 2
10 .
The various relationships and fundamental data associated with the use of an expert
diagnostic system are known as the
A. domain .
B. inference engine
C. knowledge base
D. interface .
Correct Answer
C. knowledge base
Page 1 of 25
,Question 3
Which of the following is a PROBABLE cause of backfiring in an intake manifold ?
A. Broken connecting rod
B. Incorrect valve timing
C. Sticky choke valve
D. A lean cold - engine fuel mixture
Correct Answer
D. A lean cold - engine fuel mixture
Question 4
Which of the following is a DISADVANTAGE associated with onboard computer
diagnostic systems ?
A. Inability to incorporate self - diagnosis
B. Limited number of systems available for diagnosis
C. Cannot be manually activated
D. Inability to detect intermittent failures
Correct Answer
D. Inability to detect intermittent failures
Page 2 of 25
, Question 5
Which device is capable of measuring volts , ohms , and amperes in solid - state
electronic equipment ?
A. Digital multimeter
B. Analog multimeter
C. Jumper wires
D. Continuity tester
Correct Answer
A. Digital multimeter
Question 6
What type of clutch is responsible for controlling a car's air conditioning compressor ?
A. Centrifugal
B. Free - wheeling
C. Magnetic
Correct Answer
C. Magnetic
Page 3 of 25
QUESTIONS AND ANSWERS
Question 1
What reading will appear on an infrared meter which indicates a failure of converter ?
____HC / ____CO .
A. Low ; high
B. Low ; low
C. High ; low
D. High ; high
Correct Answer
C. High ; low
Question 2
10 .
The various relationships and fundamental data associated with the use of an expert
diagnostic system are known as the
A. domain .
B. inference engine
C. knowledge base
D. interface .
Correct Answer
C. knowledge base
Page 1 of 25
,Question 3
Which of the following is a PROBABLE cause of backfiring in an intake manifold ?
A. Broken connecting rod
B. Incorrect valve timing
C. Sticky choke valve
D. A lean cold - engine fuel mixture
Correct Answer
D. A lean cold - engine fuel mixture
Question 4
Which of the following is a DISADVANTAGE associated with onboard computer
diagnostic systems ?
A. Inability to incorporate self - diagnosis
B. Limited number of systems available for diagnosis
C. Cannot be manually activated
D. Inability to detect intermittent failures
Correct Answer
D. Inability to detect intermittent failures
Page 2 of 25
, Question 5
Which device is capable of measuring volts , ohms , and amperes in solid - state
electronic equipment ?
A. Digital multimeter
B. Analog multimeter
C. Jumper wires
D. Continuity tester
Correct Answer
A. Digital multimeter
Question 6
What type of clutch is responsible for controlling a car's air conditioning compressor ?
A. Centrifugal
B. Free - wheeling
C. Magnetic
Correct Answer
C. Magnetic
Page 3 of 25
