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General Maintenance BOMA Pre-Quiz Questions with Solutions 2024
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General Maintenance BOMA Pre-Quiz
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General Maintenance BOMA Pre-QuizWhen starting a centrifugal pump that is part of a manifold with no check valves. -
answer You 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 sprinklers 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 - answer1. Will fail quicker
2. Wear out equipment and the bearing
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 prefferrable to use: - answerA pipe cutter
What is the main purpose of the emergency electric power system? - answerRun
equipment essential to human life for safety.
, Baffles is a grease interceptor reduce the ___________ within interceptors: -
answerTurbulence
Parralel alignment is: - answerWhere the centerlines of the two shafts are parralel.
Usually, it 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 alarm 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? - 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, all of the above.
The main purpose of lubrication is usually to? - answerReduce friction and wear.
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