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NYC CustodiaN ENgiNEEr Exam studY guidE tEst 2026 WitH CorrECt aCtuaL QuEstioNs aNd CorrECtLY WELL dEFiNEd aNsWErs LatEst aLrEadY gradEd a+

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2025/2026 Written for academic year
Institution NYC CustodiaN ENgiNEEr
Course NYC CustodiaN ENgiNEEr
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Prepare for the NYC Custodian Engineer Exam with this comprehensive study guide featuring multiple-choice practice questions and detailed answer explanations. The material covers essential topics tested on the examination, including building operations, HVAC systems, boilers, refrigeration, plumbing, electrical systems, fire and life safety, preventive maintenance, building automation, energy management, mechanical equipment, workplace safety, and applicable New York City building codes and regulations. Ideal for aspiring and current Custodian Engineers seeking to strengthen their technical knowledge and prepare effectively for the NYC Custodian Engineer certification or promotional examination.

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NYC CustodiaN ENgiNEEr Exam studY guidE tEst 2026 WitH
CorrECt aCtuaL QuEstioNs aNd CorrECtLY WELL dEFiNEd aNsWErs
LatEst aLrEadY gradEd a+


What do you do to keep odors away in the restroom ? - aNsWEr-Keep the area clean



How often should you clean the drinking water fountains ? - aNsWEr-Daily


If you are working with harmful chemicals and some Spill on your skin what do you do
first ? - aNsWEr-Tell Supervisor immediately



What is a ballast ? - aNsWEr-A fluoresent light fixture



What chemicals should you never mix ? - aNsWEr-Clorox and Ammonia


Kuvch If you I are mopping and you splash some water on the baseboard what should
you do ? - aNsWEr-Wipe off with a rag



If you are working with dust mop how do you mop ? - aNsWEr-Keep it flat and shake the
dust mop every Minute


If you have two supervisors with the same rank and they give you different orders at the
same time you what should do ? - aNsWEr-Discuss the problems with them



What is a squeegee ? - aNsWEr-It is a short bar with rubber blade



If you are sent to a location to strip the floor , what does that mean ? - aNsWEr-Remove
the old wax and apply a new coat



What chemicals are used to kill odors and germs ? - aNsWEr-Clorox bleach

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