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API-SIEE Exam Questions

Exam Name: API Source Inspector Electrical Equipment Exam
Exam Code: API-SIEE
Related Certification(s): API Certifications
Certification Provider: API
Number of API-SIEE practice questions in our database: 110 (updated: Aug. 20, 2026)
Expected API-SIEE Exam Topics, as suggested by API :
  • Topic 1: Terms and Definitions: Covers the foundational terminology and definitions used throughout electrical source inspection work.
  • Topic 2: Source Inspection Management Program: Addresses the organizational framework and management practices that govern source inspection programs.
  • Topic 3: Equipment Risk Assessment: Focuses on developing inspection project plans, inspection and test plans, and reviewing reports to assess equipment risk.
  • Topic 4: Source Inspection Performance: Covers inspector conduct, safety, project document review, report writing, and handling nonconformances and deviations during inspections.
  • Topic 5: Examination Methods, Tools and Equipment: Covers the inspection techniques used in the field, including dimensional, visual, electrical testing, functional testing, and coatings inspections.
  • Topic 6: Electrical Skid Mounted Equipment: Addresses inspection of skid-mounted assemblies including hazardous location equipment, grounding, cable systems, control wiring, and applicable codes.
  • Topic 7: Liquid-Immersed Transformers: Covers the design, construction, and applicable industry codes and standards for liquid-immersed transformers.
  • Topic 8: Switchgear (Low & Medium Voltage): Covers design, construction, ratings, interlocks, wiring, enclosures, bus compartments, breakers, transformers, and metering for LV and MV switchgear.
  • Topic 9: Motor Control Centers (Low to Medium Voltage): Covers design standards, materials, enclosure types, breakers, amp capacity, cable entry, and grounding components for MCCs.
  • Topic 10: Electrical Induction Motors: Covers design and construction standards, materials of construction, and motor testing requirements for electrical induction motors.
  • Topic 11: Electrical Inspection Tools and Test Equipment: Covers the tools and test equipment used by inspectors to perform electrical source inspections.
Disscuss API API-SIEE Topics, Questions or Ask Anything Related
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Matthew Brown

5 days ago
I nearly ran out of time until I practiced quickly eliminating wrong answers on transformers, MCCs, and induction motors based on basic construction and inspection priorities. That strategy kept me steady and I passed the API SIEE exam.
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Richard Hernandez

24 days ago
many questions require selecting the correct inspection technique given accessibility, material, and suspected defect, for example choosing between visual, infrared or ultrasonic methods. Review the capabilities and limitations of visual inspection, infrared thermography, ultrasonic testing and dielectric tests, and a friend passed the API-SIEE and thanked Pass4Success for the compact question bank that sped up last minute review.
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Emma Parker

1 month ago
The toughest section for me was electrical skid mounted equipment and switchgear details, especially what to check and what tests prove it. I focused on inspection methods and tools and ended up passing without guessing as much.
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Kevin Jackson

2 months ago
Switchgear Low and Medium Voltage exam questions often present fault or protection scenarios and ask which breaker setting, interlock, or clearance requirement applies. Be comfortable with trip curves, coordination principles, arc flash labeling rules and minimum insulation distances to answer these quickly.
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Daniel Nguyen

2 months ago
What surprised me was how much time I spent on equipment risk assessment and tying it back to inspection planning, not just memorizing terms. Working through a few real project scenarios helped me pass the API SIEE exam.
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Sarah Roberts

3 months ago
Liquid-Immersed Transformers you will see problem items asking you to interpret oil test results or decide when dielectric testing and further diagnostics are required. Study dielectric strength, dissolved gas analysis basics, nameplate ratings and cooling classes so you can determine acceptance criteria and next steps.
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Amy Williams

3 months ago
The API SIEE exam felt heavy on definitions and the source inspection management program, so I made flashcards and reviewed them daily. That repetition paid off and I passed on the first attempt.
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Emily Hall

4 months ago
Equipment Risk Assessment expect scenario questions that ask you to rank failure modes and choose the most effective mitigation based on consequence and likelihood. Focus on mastering risk matrices, basic FMEA logic, and how to justify accept or reject decisions, I passed the API-SIEE and thanks Pass4Success for a good collection of practice questions that let me prepare effectively in a short time.
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Jennifer Scott

4 months ago
During the API-SIEE exam I found the scenario questions asking which test to use for motor windings, insulation resistance or hipot, confusing. Breaking the problem into failure mode, safety, and what each test reveals helped me decide.
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Thomas Anderson

4 months ago
Honestly practicing with a megger and reviewing typical IR values for different motor classes made choosing the right test much faster.
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Michelle Jackson

4 months ago
Interestingly the risk assessment matrix questions tripped me up because they focused on likelihood versus consequence rather than just component criticality.
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Rebecca Sanchez

3 months ago
Thankfully the API glossary cleared up a few definition traps around source inspection performance versus supplier quality metrics.
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Kevin Howard

3 months ago
Meanwhile the single-line diagrams for switchgear felt cramped and required extra care to track bus ties and protection zones.
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Gerald Cook

4 months ago
Otherwise drilling common oil test results for liquid-immersed transformers and what each abnormal reading implies saved a lot of time on scenario items.
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Free API API-SIEE Exam Actual Questions

Note: Premium Questions for API-SIEE were last updated On Aug. 20, 2026 (see below)

Question #1

Which definition BEST matches an Instrument Ground Bus (IGB)?

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Correct Answer: B

Question #2

Who should the Source Inspector notify if they believe that product quality may be compromised by schedule pressures?

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Correct Answer: B

The correct answer isB. The inspection coordinator. In the API source inspection framework, the inspector's role is to independently observe, verify, document, and communicate quality-related concerns through the established inspection reporting chain. When schedule pressure appears likely to compromise product quality, the issue must be escalated to theinspection coordinator, because that person manages inspection execution, communication flow, and coordination between the purchaser, supplier, and inspection function. This keeps the inspector independent and ensures the concern is addressed formally rather than informally.

The other options are less appropriate. TheMaster Scheduleris responsible for planning and timing, not for controlling inspection escalation. Theshop QA Managerbelongs to the supplier's organization, so reporting directly there could weaken the inspector's independent reporting path. TheProject Managermay ultimately need awareness, but the normal and correct first notification route in source inspection administration is through the inspection coordinator. This approach aligns with API source inspection practice, where quality threats, deviations, and risks are communicated through designated inspection channels so that corrective action, hold points, and surveillance priorities can be managed properly.


Question #3

Apparent power is measured in:

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Correct Answer: C

The correct answer isCbecauseapparent powerin an AC electrical system is measured involt-amperes VA. Apparent power represents the total electrical power supplied to a circuit and is the combination ofreal powerandreactive power. Real power, which performs useful work such as turning a motor shaft or producing heat, is measured inwatts. Reactive power, which supports magnetic and electric fields in inductive or capacitive equipment, is measured invars. Apparent power is therefore the vector sum of these two and is expressed inVAor larger units such askVAandMVA.

The other options are incorrect for this reason.Mhosis a unit of conductance, not power.Varsmeasure reactive power only.Wattsmeasure true or active power only. In source inspection and quality surveillance of electrical equipment, understanding these distinctions is important when reviewing motor data sheets, transformer ratings, switchgear load data, and electrical test reports. Equipment such as transformers and generators are commonly rated inkVA or MVAbecause their thermal and current-carrying capability is tied toapparent power, makingvolt-amperesthe correct answer.


Question #4

According to API 541, determination of efficiency and power, locked-rotor current, power factor, torque, full-load current and slip are some of the tests verified when performing a:

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Correct Answer: A

The correct answer isAbecause the group of performance items listed in the question---efficiency, power, locked-rotor current, power factor, torque, full-load current, and slip---belongs to acomplete testfor large electric motors under API 541 practice. A complete test is broader than a routine production test because it verifies the motor's full performance characteristics, not just basic manufacturing acceptability. These measurements are used to confirm that the motor meets its guaranteed operating and starting characteristics and that its electrical and mechanical performance aligns with the design and specification requirements.

Aroutine testis normally more limited and is intended to confirm standard production quality on each motor, such as winding resistance, insulation checks, no-load current, vibration, or similar baseline acceptance items. Adesign testis generally associated with proving a design type rather than verifying all ordered motor performance data on a specific unit. Acompliance testis not the best match for this defined set of performance determinations. In API-aligned source inspection, these performance verifications are associated with thecomplete test, makingoption Athe correct answer.


Question #5

Which edition of industry codes and standards applies to the equipment being inspected?

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Correct Answer: D

The correct answer isD. The edition specified in the engineering design. In API source inspection practice, the inspector does not choose whichever code edition appears newest or most convenient. The applicable requirements are the ones defined by thepurchase order, engineering design documents, project specifications, approved drawings, and referenced codes and standards identified for that job. Source inspection is a verification function, so the inspector must confirm compliance against thecontractual and technical basis of designestablished for the equipment being manufactured.

This is important because different editions of the same standard may contain different rating rules, test requirements, construction details, or acceptance criteria. If an inspector were to apply the latest edition without project authorization, that could create conflict with the approved design basis and lead to incorrect acceptance or rejection. Likewise, the edition found at the point of use or supplied by the inspection agency is not automatically controlling unless it matches the project's specified design basis.

Therefore, for inspection and quality surveillance of electrical equipment, the governing edition is theedition specified in the engineering designand related contract documents.



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