The ProProfs editorial team is comprised of experienced subject matter experts. They've collectively created over 10,000 quizzes and lessons, serving over 100 million users. Our team includes in-house content moderators and subject matter experts, as well as a global network of rigorously trained contributors. All adhere to our comprehensive editorial guidelines, ensuring the delivery of high-quality content.
Mike, a state and municipally licensed steam and stationary engineer, boasts over 20 years of experience in building trades. His expertise reflects a seasoned professional dedicated to his craft.
Quizzes Created: 1|Total Attempts: 35,004
|Attempts: 35,142|Questions: 190|Updated: Jun 11, 2026
Back to top