ITC Level II Practice Questions - Certified Infrared Thermographer Level II Exam - ITC Level II Practice Questions - Certified Infrared Thermographer Level II Exam

Question 1

A thermographer measures a surface temperature of 85°C on a motor with an assumed emissivity of 0.95. The actual surface is bare aluminum with an emissivity of 0.05. The reflected temperature is 22°C. What is the most accurate statement about this measurement?

The reading is accurate because the camera is calibrated to 85°C The apparent temperature is heavily influenced by reflected ambient radiation, making 85°C unreliable Aluminum emissivity of 0.05 means the reading will be 5% lower than actual Reflected temperature compensation has no effect when emissivity is set correctly

Correct Answer:

The apparent temperature is heavily influenced by reflected ambient radiation, making 85°C unreliable

Question 2

Which emissivity correction method is MOST appropriate when you cannot touch or coat the surface being inspected?

Reference emitter method using black tape applied to the surface Contact thermometer method to establish a reference temperature Reflected apparent temperature (RAT) compensation using a crumpled foil reflector Increasing camera emissivity to 1.0 and subtracting reflected temperature mathematically

Correct Answer:

Reflected apparent temperature (RAT) compensation using a crumpled foil reflector

Question 3

A Level II thermographer is inspecting electrical switchgear through a polycarbonate IR window rated at 80% transmittance in the 8–14 µm band. The camera measures 68°C on a busbar. What correction must be applied?

No correction needed; the window rating accounts for all losses Divide the measured temperature by 0.80 to get the true temperature Set the camera's transmittance parameter to 0.80 so the camera compensates automatically Increase the measured temperature by 20% to compensate for window losses

Correct Answer:

Set the camera's transmittance parameter to 0.80 so the camera compensates automatically

Question 4

According to the NETA ATS standard for electrical equipment, a temperature difference of 35°C above a similar component under similar load is classified as:

Priority 4 — monitor at next scheduled inspection Priority 3 — schedule repair within 30 days Priority 2 — repair within 24 hours or next maintenance window Priority 1 — remove from service immediately

Correct Answer:

Priority 1 — remove from service immediately

Question 5

When setting up a camera for an outdoor inspection on a cold day (ambient 5°C), which parameters must the thermographer enter to ensure accurate temperature measurement?

Object emissivity only — ambient temperature is irrelevant for outdoor scenes Object emissivity, reflected apparent temperature, atmospheric temperature, relative humidity, and distance Object emissivity and reflected apparent temperature only Atmospheric temperature and relative humidity only, since emissivity is typically 1.0 outdoors

Correct Answer:

Object emissivity, reflected apparent temperature, atmospheric temperature, relative humidity, and distance

Question 1

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About this Exam

Prepare with the ITC Level II Practice Questions - Certified Infrared Thermographer Level II Exam practice quiz. This question bank includes 100 questions covering thermographer, temperature, level, emissivity, and inspection. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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ITC Level II Practice Questions - Certified Infrared Thermographer Level II Exam

This practice set contains 100 questions from the matching question bank and focuses on thermographer, temperature, level, emissivity, and inspection. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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ITC Level II Practice Questions - Certified Infrared Thermographer Level II Exam

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