Exam (elaborations)
BOMA General Maintenance Questions and Answers 2024
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BOMA General Maintenance
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BOMA General MaintenanceUsually if a motor in a system feels hot and you think it is overloading you should not
open the flow valve further because? - answerIncrease in flow will usually increase the
horsepower requirements.
Net positive suction head is? - answerThe amount of absolute pressure actually
available at the suction inlet of the pump to force the liquid up the pump.
If the seal has just been replaced and if the pump leaks slightly at start up, first? -
answerAllow the pump to continue to run for a short period of time and see if the leak
stops.
If it is ever necessary to reduce the pump flow temporarily, do so by? - answerThrottle
the discharge
There are several methods used to detection of incipid fires, temperature sensing and
smoke detections are the primary one? - answerTrue
Smoke detection is accomplished by either photoelectric scanning, ionization,
chambers, and smoke detection devices? - answerTrue
A sprinkler system with sprinklers that stay open all the time is a? - answerdeluge
Sprinkler heads that are mounted in an inverted position is called a? - answerpendant,
conventional, flush pendant.
The number of sprinkler that can be placed on a given pipe is governed by? -
answerThe pipe size
In a fire sprinkler system there two main types of sprinkler heads, upright and pendant?
- answerTrue
Which of the following best describes the basic types of sprinkler systems in a building?
- answerStandard wet system, standard dry system and deluge system.
The most important component in a sprinkler system is? - answerA reliable source of
water, sufficient volume of water and sufficient water pressure.
Connection between a given building fire protection system and the public water supply
are controlled by? - answerPost indicating valves
,The class of standpipe system is determined by? - answerGPM capacity, hose
connection size and personnel who uses it
As to the content of portable fire extinguishers which of the following answers is not
correct? - answerCarbon monoxide
Class "A" fires are those of combustible materials such as wood, paper, cloth. Where
cooling, soaking or cloaking the burning materials essential? - answerTrue
Class "A" fires are those flammable liquids, gases and greases which blanketing,
smothering or extinguishing agents are essential or flame interrupting affect is needed.?
- answerFalse
Class "C" fire are those involving energized electrical equipment where non-conductive
or extinguishing agents are essential? - answerTrue
1 cubic feet of water is how many gallons? - answer7.48
A horsepower is equal to _____? - answer33,000 foot pounds of work per minute
Capacity of an air compressor is usually expressed in cubic feet per minute? -
answerTrue
Temporary platforms used by to support workers and materials while working off the
ground is usually called a _____? - answerscaffolding
A device used to measure battery acid strength is a _____? - answerHydrometer
Brazed cast fittings should be cooled with _____? - answerA damp cloth
When attempting to locate a gas leak the sense of _____ is usually not used. -
answerTaste
Regulator gauges are to _____. - answerIndicate tank pressure and indicate gas
pressure to the torch.
Torches should be inspected for leakage at _____. - answerThe tip, valves, and hose
connections.
So that it can be turned off quickly in an emergency, the acetylene valve should be
opened _____. - answer¼ turn
Purging the hose lines on a oxy-acetylene torch should occur _____. - answerWhen
securing the rig for the day.
Recommended flame for brazing is _____? - answerNeutral
, An oxy-acetylene system is used for the following purposes. - answerSilver soldering
copper & brass joints, cutting metal and brazing.
When welding galvanized metals in a confined space, it is vital to make sure the area is
well ventilated. - answerTrue
*The filter lenses are required for eye protection in welding and cutting operation and
are designed to safeguard the eyes from injuries from what types of rays? -
answerUltraviolet/infrared and visible
Flux is _____? - answerA cleaning substance to be used when soldering.
Electrical tools should not be operated when either the tool or the operator is in contact
with _____? - answerFlammable gases and water
A long pin on a 115-volt electrical plug _____? - answerIs a safety ground and should
never be removed.
When working with electricity it is _____? - answerPerfectly safe to use a wooden
ladder & perfectly safe to use a fiberglass ladder.
Oxygen under pressure should never be allowed to come in contact with _____? -
answerOil
Should safety glasses been worn when using a hacksaw? - answerYes
What's the purpose of a safety lock-out program. - answerTo protect the circuit you are
working on, to protect the life of the person working on the circuit and to protect the
employer from a lawsuit.
Under CAL-OSHA Act, one of your rights is _____? - answerNot to work on or in any
environment that you believe presents a health safety hazard.
Safety shields and goggles are not required to be worn if you wear glasses? -
answerFalse
Power tools are okay to use with frayed cords as long as it is an engineer that is using
them. - answerFalse
Filter lenses of what shade number are recommended for arc welding and cutting with a
range of 30-75 amps? - answer8
A welding defect consisting of a void or cavity produced by gases trapped in a solidified
hot metal is called a _____? - answerBlow hole
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