MTA BUS MAINTAINER CHASSIS EXAM
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 - Correct Answers -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
C. Formalization
D. Conceptualization - Correct Answers -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 - Correct Answers -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 - Correct Answers -C. dwell
18 .
What is the basic work register in microcomputers that is used for automotive engine
control and diagnostics ?
A. Status register
B. Condition code register
C. Brancher
D. Accumulator - Correct Answers -D. Accumulator
19 .
A car lacks power and a popping sound can be heard . What is the MOST likely cause ?
A. Shorted spark plug
B. Uneven fuel supply
C. Pitted breaker points
D. Bad distributor timing - Correct Answers -B. Uneven fuel supply
20 .
What is the term for the reinforcing ridge around a tire opening where it fits the wheel .
rim ?
A. Piping
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 - Correct Answers -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
C. Formalization
D. Conceptualization - Correct Answers -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 - Correct Answers -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 - Correct Answers -C. dwell
18 .
What is the basic work register in microcomputers that is used for automotive engine
control and diagnostics ?
A. Status register
B. Condition code register
C. Brancher
D. Accumulator - Correct Answers -D. Accumulator
19 .
A car lacks power and a popping sound can be heard . What is the MOST likely cause ?
A. Shorted spark plug
B. Uneven fuel supply
C. Pitted breaker points
D. Bad distributor timing - Correct Answers -B. Uneven fuel supply
20 .
What is the term for the reinforcing ridge around a tire opening where it fits the wheel .
rim ?
A. Piping