BOMA General Maintenance Exam Questions and Answers
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BOMA General Maintenance
Institution
BOMA General Maintenance
BOMA General Maintenance Exam Questions and Answers
The two main components of alternating current motors are the _____ and the _____. - Answer-Rotor; starter
After a coupling is aligned, we should recheck it after two weeks to _____. - Answer-Make sure it's still in alignment when the unit is...
BOMA General Maintenance Exam
Questions and Answers
The two main components of alternating current motors are the _____ and the _____. -
Answer-Rotor; starter
After a coupling is aligned, we should recheck it after two weeks to _____. - Answer-
Make sure it's still in alignment when the unit is up and at operating temperature.
Parallel alignment is where a center line and two shafts are in parallel. - Answer-True
If a coupling is not properly aligned _____ and _____. - Answer-it most certainly would
fail more quickly than it should; it could wear out other components connected to it
Continual problems with belt turning over are likely to be caused by _____. - Answer-
improper installation techniques
If a new single sheave V-belt squeals while the motor is running, you should _____. -
Answer-Inspect the sheave for wear.
Which of the following is the least likely cause of rapid wear of packing in a pump? -
Answer-Slight leakage from the stuffing box
When using a hacksaw, you should always use steady strokes but not fast enough to
overheat the blade and cause possible blade damage. - Answer-True
What type of filter would be required when working in an area that demand filters with
efficiencies of 99%? - Answer-HEPA filter
What direct benefit is obtained from keeping operating equipment and surrounding
areas clean and painted? - Answer-Pride and safe environment
Force necessary to cause a gasket to flow into surface imperfections is known as
_____. - Answer-C-force
Which of the following is of little consequence when selecting the correct packing for
particular service? - Answer-The location of the equipment is to be installed
,Plug valves go from a fully open position to a fully closed position in a quarter turn of the
handle. - Answer-True
Gate valves are _____ and _____. - Answer-available in quick opening models; have
less pressure drop than other kinds of valve.
When starting a centrifugal pump, you should open the suction valve, start the pump
and then open the discharge valve very slowly. - Answer-True
Positive displacement pumps such a lube oil or a fuel oil pump, usually have an
adjustable pressure regulating valve that bypasses from the discharge to the suction of
the pump. - Answer-True
A major cause of vibration in pumps is _____ and _____. - Answer-Pump and motor
alignment.
Which of the following is the correct procedure when adjusting a gland nut on a newly
packed pump? - Answer-Tighten with the pump running until there is a slight leakage
The relationship of a three element grease interceptor (grease trap) are critical, what
are they? - Answer-The elevation of the inlet and the elevation of the outlet in
relationship to the standing water line.
The components that go to that fixture, the trap, the chrome stuff, the angle stops, the
spaghetti, the faucets and all that stuff is _____ for that fixture. - Answer-Trim
What materials and what products do you never put together? - Answer-Copper and
natural gas.
Usually if a motor in a system feels hot and you think it is overloading you should not
open the flow valve further because? - Answer-Increase in flow will usually increase the
horsepower requirements.
Net positive suction head is? - Answer-The 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? -
Answer-Allow 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? - Answer-Throttle
the discharge
There are several methods used to detection of incipid fires, temperature sensing and
smoke detections are the primary one? - Answer-True
, Smoke detection is accomplished by either photoelectric scanning, ionization,
chambers, and smoke detection devices? - Answer-True
A sprinkler system with sprinklers that stay open all the time is a? - Answer-deluge
Sprinkler heads that are mounted in an inverted position is called a? - Answer-pendant,
conventional, flush pendant.
The number of sprinkler that can be placed on a given pipe is governed by? - Answer-
The pipe size
In a fire sprinkler system there two main types of sprinkler heads, upright and pendant?
- Answer-True
Which of the following best describes the basic types of sprinkler systems in a building?
- Answer-Standard wet system, standard dry system and deluge system.
The most important component in a sprinkler system is? - Answer-A 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? - Answer-Post indicating valves
The class of standpipe system is determined by? - Answer-GPM 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? - Answer-Carbon monoxide
Class "A" fires are those of combustible materials such as wood, paper, cloth. Where
cooling, soaking or cloaking the burning materials essential? - Answer-True
Class "A" fires are those flammable liquids, gases and greases which blanketing,
smothering or extinguishing agents are essential or flame interrupting affect is needed.?
- Answer-False
Class "C" fire are those involving energized electrical equipment where non-conductive
or extinguishing agents are essential? - Answer-True
1 cubic feet of water is how many gallons? - Answer-7.48
A horsepower is equal to _____? - Answer-33,000 foot pounds of work per minute
Capacity of an air compressor is usually expressed in cubic feet per minute? - Answer-
True
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