Exam (elaborations)
BOMA - General Maintenance Questions and Answers
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BOMA - General Maintenance
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BOMA - General MaintenanceWhen starting a centrifugal pump that is part of a manifold with no check valves: -
answerYou should open the suction valve, start the pump and open the discharge valve
slowly
A valve inserted in a water line between the corporation stop and the water meter is
generally called: - answerCurb cock
To check sheave wear: - answerMeasure each groove angle
Variable pitch sheaves may be used in some cases to provide which of the following
types of speed changes: - answerSmall
Absolute pressure is gauge: - answerPressure plus 14.7 psi
Which of the following best describes the basic types of sprinkler systems in a building:
- answerStandard wet-type system, Standard dry-type system, A deluge system
Power equals: - answerForce x distance divided by time
Torches should be inspected for leakage at the: - answerTip, Valves, Hose connections
. Smoke detection is usually accomplished by using either photo-electric scanning,
ionization chambers or smoke reflection devices? - answerTrue
If a coupling is not properly aligned: - answerIt will almost certainly fail more quickly than
it should, It could wear out equipment bearings
To protect a pump and motor against slight misalignment, they are often connected by
a: - answerFlexible coupling
The coating on a metallic electrode: - answerStabilizes the arc and controls oxidation
When severing a length of 2 inch pipe it is preferable to use: - answerA pipe cutter
What is the main purpose of the emergency electric power systems? - answerRun
equipment essential to human life for safety
Baffles in a grease interceptor reduce the _________ within interceptors: -
answerTurbulence
, Parallel alignment is: - answerWhere the centerlines of the two shafts are parallel
Usually, if the motor in a system feels hot and you think it is overloading, you should not
open the flow valve further because: - answerIncreased flow will usually increase
horsepower requirements
Which of the following alarms will start diesel fire pumps: - answerWater flow alarm
What term best describes water used for both drinking and cooking? - answerPotable
Gate valves: - answerHave less pressure drop than most other kinds of valves, Are
available to quick opening models
Critical points of a grease interceptor are elevations of the ___ and ____ in to the water:
- answerInlet; outlet
One of the most positive means of preventing back siphonage is the proper use of an
_________________: - answerAir gap
Should safety glasses be worn when using a hack saw? - answerYes
One cubic foot of water is how many gallons? - answer7.48
A weld used to fill a corner, as in a lap joint or a t joint, is called a(n): - answerFillet weld
Greases are classified as to their mobility and oil content by the: - answerS.A.E.
Continual problems with belt turnover are likely to be caused by: - answerImproper
installation technique
The scale of a working drawing can be determined by: - answerThe scale will be
indicated on the drawing
A ___________________ is a direct or indirect connection which may permit waste
sewage or other non-potable water to flow into a potable water source or supply? -
answerCross connection
Traps are installed to prevent ___________ from entering the structure: - answerSewer
gas, Offensive odors, Vermin
The main purpose of lubrication is usually to: - answerReduce friction and wear
When installing a p-trap, the vertical distance from the fixture to the _________ may not
exceed 24": - answerTrap outlet
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