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General Maintenance/ boma questions & answers graded A+ passed
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General Maintenance/ boma questions & answers graded A+ passed
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General Maintenance/ bomaWhen Starting a centrifugal pump That is part of a manifold with no check valves - correct answer
✔✔You should open the suction valve, start the pump and open the discharge valve slowly
Curb cock - correct answer ✔✔A Valve insert it in a water line between the corporation stop and the
water meter is generally called
To check sheave wear - correct answer ✔✔Measure each groove angle
Variable pitch sheaves may be used in some cases to provide which of the following types of speech
changes - correct answer ✔✔Small
Absolute pressure is Gauge - correct answer ✔✔Pressure plus 14.7 psi
Which of the following best describes the basic types of sprinkler systems in a building - correct answer
✔✔Standard wet type system, Standard dry type system, deluge system ( all of the above)
Power equals - correct answer ✔✔Force times distance divided by time
Torches should be inspected for leakage at the - correct answer ✔✔Tip, valves, hose connections all of
the above
Smoke detection is usually accomplish by using either photo electric scanning, ionization chambers or
smoke deflection devices? - correct answer ✔✔True
If a coupling is not properly aligned - correct answer ✔✔It will almost certainly fail more quickly than his
should & it could wear out equipment bearings A&C
, To protect a pump and motor against slight misalignment, they are often connected by a - correct
answer ✔✔Flexible coupling
The coding on a metallic electrode - correct answer ✔✔Stabilizes the arc and controls oxidation
When severing a length of 2 inch pipe it is preferable to use - correct answer ✔✔A pipe cutter
What is the main purpose of the emergency electrical power system - correct answer ✔✔Run
equipment essential to human life for safety
Baffles in a greased interceptor reduce____________ within interceptor - correct answer ✔✔Turbulence
Parallel alignment is - correct answer ✔✔Where the centerline of the two shafts are parallel
Usually if the motor in the system feels hot and you think this is overloading, you should not open the
flow valve further because - correct answer ✔✔Increase flow will usually increase horse power
requirements
Which of the following alarms will start a diesel fire pump - correct answer ✔✔Waterflow alarm
What term best describes water use for both drinking and cooking - correct answer ✔✔Potable
Gate valves - correct answer ✔✔Have less pressure dropped than most other kinds of valves, Are
available to quick opening models A&B
Critical points of a grease interceptor or elevations of the__________ and _________ in to the water -
correct answer ✔✔Inlet: outlet
One of the most positive means of preventing back siphonage is the proper use of an - correct answer
✔✔Air gap
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