NEWEST ACTUAL 2025/2026 WITH COMPLETE QUESTIONS &
ANSWERS VERIFED/GRADED A+.
What is the kilovolt-ampere (kVA) range for large, stationary
generators? - ----Answers---8 kVA - 2,000 kVA
What is the kilovolt-ampere (kVA) range for small, portable
generators? - ----Answers---1 kVA - 10 kVA
Diesel generators also provide ____ to utility grids. - ----
Answers---Backup power.
Power failures are particularly critical for which 2 types of
buildings? - ----Answers---(1) Hospitals.
(2) Large offices.
Emergency power generators are typically powered by ____
fuel. - ----Answers---Diesel.
Emergency power generators are configured to start ____. - --
--Answers---Automatically once power failure occurs.
Diesel engines should run at around ____ % of their maximum
rated load, and at around ____ % of their maximum speed. - ---
-Answers---60-
,What are the 5 grades of fuel-oil? - ----Answers---(1) No. 1
(range)
(2) No. 2 (diesel)
(3) No. 4
(4) No. 5
(5) No. 6
____ are required in the oil line to separate dirt and sediment. -
----Answers---Strainers/filters.
The grade of fuel-oil used in a burner shall be that for which
the burner is approved and as stipulated by the ____. - ----
Answers---Manufacturer.
Oil containing ____ shall not be used. - ----Answers---
Gasoline.
Waste crankcase oil shall not be used, except when such
waste oil is mixed with ____ in bulk or in waste oil recovery
plants. - ----Answers---No. 6 fuel-oil.
, Approval from the NYC Department of Buildings and FDNY is
required before changing the ____ of any fuel-oil. - ----
Answers---Grade.
Which flame detection control device will shut down the oil
burner if a flame is not visible to the scanner? - ----Answers-
--Photoelectric cell.
A dangerous condition will arise if oil is pumped into the
combustion chamber but not ____. - ----Answers---Burned.
Atomized, but ____ fuel could cause an explosion if a spark or
other source of ignition occurs. - ----Answers---Unburned.
What operates the oil burner in the summer for domestic hot
water
needs? - ----Answers---Aquastat.
What automatic, electric control will shut the burner off when
the water level is below a safe operating point? - ----
Answers---Low water cut-off.
What is the most important control on a steam boiler? - ----
Answers---The gauge glass.
The gauge glass is a device used to indicate the ____ of a steam
boiler. - ----Answers---Water level.