• Wrong document? Swap it for free
  • Written by students who passed
  • Immediately available after payment
  • Read online or as PDF
Sell
Where do you study
Your language
Document preview thumbnail
Preview 2 out of 11 pages
Exam (elaborations)

Nyc Custodian Engineer Exam –Most Tested Practice Questions With Verified Answers And Rationales | Edition | All 9 Core Domains Covered | Dcas Civil Service Exam Prep | Instant Download Pdf

Document preview thumbnail
Preview 2 out of 11 pages

Preparing for a civil service test like the NYC Custodian Engineer exam can feel overwhelming, but this study guide is essentially a focused roadmap to help you pass. ​Rather than just making you memorize facts, it breaks down the exact material you'll encounter on test day. It includes a collection of the most frequently tested practice questions across all 9 primary exam subjects—complete with step-by-step explanations and verified answers so you understand why an answer is correct. Think of it as a clear, straightforward tool to boost your confidence, streamline your study sessions, and make sure there are no surprises when you take the test.

Content preview

NYC CUSTODIAN ENGINEER EXAM –MOST TESTED PRACTICE QUESTIONS
WITH VERIFIED ANSWERS AND RATIONALES | 2026 2027 Edition | All 9
Core Domains Covered | DCAS Civil Service Exam Prep | Instant
Download PDF
10% <CORRECT ANSWER>In high pressure electric generating plants in large buildings,
bb bb bb bb bb bb bb bb bb bb




heating the feed water from 70f to 180f with exhaust steam usually will decrease the fuel
bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb




consumption by...
bb bb




Steam pipe in the room before the pneumatic steam valve <CORRECT ANSWER>The direct
bb bb bb bb bb bb bb bb bb bb bb bb




room radiator with a pneumatically controlled steam heating system is cold, while the
bb bb bb bb bb bb bb bb bb bb bb bb bb




adjoining rooms are heated adequately. The first thing you would check in the room is...
bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb




Inches of vacuum <CORRECT ANSWER>The usual vacuum gauge on a steam heating system
bb bb bb bb bb bb bb bb bb bb bb bb




reads in...
bb bb




Oil pressure <CORRECT ANSWER>In a mechanical pressure type burner using no 6 oil heated
bb bb bb bb bb bb bb bb bb bb bb bb bb




to 230 f by steam, the oil is atomized by...
bb bb bb bb bb bb bb bb bb bb




Shut down the burner when primary air failure occurs <CORRECT ANSWER>A vaporstat with
bb bb bb bb bb bb bb bb bb bb bb bb




separate motor driven oil pump used on a fully automatic heavy oil Brunéi get rotary cup
bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb




installation is generally used to...
bb bb bb bb bb




Gallons Pumped <CORRECT ANSWER>In estimating the amount of work being done by a
bb bb bb bb bb bb bb bb bb bb bb bb




steam driven water pump, the one of the following items which is usually the most
bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb




important in the calculation of pump horse power is the ...
bb bb bb bb bb bb bb bb bb bb bb




A rate of flow <CORRECT ANSWER>The term fixture unit usually refers to ...
bb bb bb bb bb bb bb bb bb bb bb bb




The water was too hot <CORRECT ANSWER>When pumping water from a return tank,
bb bb bb bb bb bb bb bb bb bb bb bb




equipped with an automatic make up valve located below the pump, the most probable
bb bb bb bb bb bb bb bb bb bb bb bb bb bb




cause of periodic pump failures to deliver the water would be...
bb bb bb bb bb bb bb bb bb bb bb

, NYC CUSTODIAN ENGINEER EXAM –MOST TESTED PRACTICE QUESTIONS
WITH VERIFIED ANSWERS AND RATIONALES | 2026 2027 Edition | All 9
Core Domains Covered | DCAS Civil Service Exam Prep | Instant
Download PDF

Soda acid <CORRECT ANSWER>Suppose a small oil fire has broken out in the boiler room in
bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb




your building, under these circumstances, the extinguisher least suitable for use is...
bb bb bb bb bb bb bb bb bb bb bb bb




A large induction motor operating at 60%normal rated capacity <CORRECT ANSWER>Of the
bb bb bb bb bb bb bb bb bb bb bb




following, a low power factor would most likely result from...
bb bb bb bb bb bb bb bb bb bb




Adjust the field of the incoming unit <CORRECT ANSWER>Before putting two dc engine
bb bb bb bb bb bb bb bb bb bb bb bb




generators on the line in parallel, it is usually necessary to ...
bb bb bb bb bb bb bb bb bb bb bb bb




Synchronous motor <CORRECT ANSWER>Of the following, the best type of AC motor to use
bb bb bb bb bb bb bb bb bb bb bb bb bb




for direct connection to a timing device which must be very accurate is a...
bb bb bb bb bb bb bb bb bb bb bb bb bb bb




200 BTU per minute <CORRECT ANSWER>One ton of refrigeration may be expressed most
bb bb bb bb bb bb bb bb bb bb bb bb




accurately as...
bb bb




Alum is added to water to form a flee before the water reaches the filters <CORRECT
bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb




ANSWER>Which of the following statements is correct with respect to filtration plants of
bb bb bb bb bb bb bb bb bb bb bb bb bb




swimming pools...
bb bb




Limit switch (only active when is running) <CORRECT ANSWER>An electric elevator car stalls
bb bb bb bb bb bb bb bb bb bb bb bb




on the ground floor of a school building. Of the following the item you would least likely to
bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb




check in your inspection is the B) Floor door switch C) Limit switch D) current to elevator
bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb




motor
bb




A submerged inlet condition may be created resulting in back siphonage <CORRECT
bb bb bb bb bb bb bb bb bb bb bb




ANSWER>An examination of the water supply of the sinks of demonstration tables in science
bb bb bb bb bb bb bb bb bb bb bb bb bb bb

Document information

Uploaded on
September 18, 2026
Number of pages
11
Written in
2026/2027
Type
Exam (elaborations)
Contains
Questions & answers
R271,45

Wrong document? Swap it for free Within 14 days of purchase and before downloading, you can choose a different document. You can simply spend the amount again.
Written by students who passed
Immediately available after payment
Read online or as PDF

Sold
0
Followers
0
Items
186
Last sold
-



Why students choose Stuvia

Created by fellow students, verified by reviews

Quality you can trust: written by students who passed their exams and reviewed by others who've used these notes.

Didn't get what you expected? Choose another document

No worries! You can immediately select a different document that better matches what you need.

Pay how you prefer, start learning right away

No subscription, no commitments. Pay the way you're used to via credit card or EFT and download your PDF document instantly.

Student with book image

“Bought, downloaded, and aced it. It really can be that simple.”

Alisha Student

Working on your references?

Create accurate citations in APA, MLA and Harvard with our free citation generator.

Working on your references?

Frequently asked questions