MTA BUS MAINTAINER CHASSIS EXAM NEWEST ACTUAL

MTA BUS MAINTAINER CHASSIS EXAM NEWEST ACTUAL

/ QUESTIONS WITH VERIFIED ANSWERS!! GRADED A+

• Which device is used to measure the resistance of a circuit

or electrical machine

• Ohmmeter

• Voltmeter

• Resistor

• Ammeter - ----Answers---A. Ohmmeter

• What reading will appear on an infrared meter which

indicates a failure of converter ?____HC / ____CO .

• Low ; high

• Low ; low

• High ; low

• High ; high - ----Answers---C. High ; low

• In automatic transmissions , the servo 1 / 3

• operates the shifter valves

• applies the clutch

• applies the bands

• controls the output from the variable vane pump - ----

Answers---C. applies the bands

• If an onboard diagnostic system's fault code indicates that

the O₂ sensor is not ready , all of the following are possible causes EXCEPT

• O₂ sensor is not functioning correctly

• defective connections or leads

• lack of O₂ contacting sensor

• control unit is not processing O₂ signal - ----Answers---C.

lack of O₂ contacting sensor

• The mechanical compressor in a car's air conditioning

system is driven by 2 / 3

• an electric motor

• the axles

• the propeller shaft

• the crankshaft - ----Answers---D. the crankshaft

1.

All of the following are probable sources of drivability problems EXCEPT the

• battery system

• engine condition

• ignition system

• fuel delivery system - ----Answers---A. battery system

2.

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