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Diesel Tech ASE Practice Test 1 Electrical/Electronic Systems Questions and Answers

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  • ASE
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Diesel Tech ASE Practice Test 1 Electrical/Electronic Systems Questions and Answers A resistance test was performed on an open toggle switch and the result is 5.857 megohms. Technician A says that the switch is faulty because the reading is beyond the specifications. Technician B says that the ...

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  • October 23, 2024
  • 19
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • ASE
  • ASE
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GraceAmelia
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FIRST PUBLISH OCTOBER 2024




Diesel Tech ASE Practice Test 1 Electrical/Electronic
Systems Questions and Answers


A resistance test was performed on an open toggle switch and the result is 5.857 megohms. Technician A

says that the switch is faulty because the reading is beyond the specifications. Technician B says that the

switch has over 5 million ohms of resistance. Who is correct?


A. A only


B. B only


C. Both A and B


D. Neither A nor B - Ans:✔✔-B. B only


Which of the following conditions could cause the power locks to fail to operate?


A. Broken connector at the power lock switch


B. Closed power lock circuit breaker


C. An oversized fuse




Page 1/19

, ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED

FIRST PUBLISH OCTOBER 2024




D. An oversized wire repair in the power lock circuit - Ans:✔✔-A. Broken connector at the power lock

switch


When using a 12 volt, unpowered test lamp to test for voltage, all of the following are true EXCEPT:


A. The test lamp may be connected to the battery ground


B. The battery should first be disconnected


C. The test lamp may be connected to a chassis ground


D. The test lamp will not illuminate when probed into the circuit at a point after the load - Ans:✔✔-B.

The battery should be disconnected


After removing a 30 amp circuit breaker from a fuse panel, a technician checks continuity across its

terminals with a digital multimeter (DMM). Technician A says that the current from the ohmmeter will

open the circuit breaker. Technician B says the ohmmeter should read infinity if the circuit breaker is

good. Who is correct?


A. A only


B. B only


C. Both A and B


D. Neither A nor B - Ans:✔✔-D. Neither A nor B


Page 2/19

, ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED

FIRST PUBLISH OCTOBER 2024




Technician A uses a test lamp to detect resistance. Technician B uses a jumper wire when verifying the

operation of circuit breakers, relays, and switches. Who is correct?


A. A only


B. B only


C. Both A and B


D. Neither A nor B - Ans:✔✔-B. B only


Technician A says that a charge indicator light should come on with the key on, engine off. Technician B

states that if the indicator is not with the engine running, it can be assumed that the charging system is

functioning properly. Who is correct?


A. A only


B. B only


C. Both A and B


D. Neither A nor B - Ans:✔✔-A. A only


Technician A says that an amp clamp is a useful tool to use when checking for key-off drain. Technician B

says that a faulty rectifier bridge in the alternator could cause excessive key-off drain. Who is correct?


A. A only

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