Exam (elaborations)
BOMA - GENERAL MAINTENANCE QUESTINS AND ANSWERS
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BOMA - GENERAL MAINTENANCE QUESTINS AND ANSWERS
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BOMA - GENERALMAINTENANCE
QUESTINS AND
ANSWERS
When starting a centrifugal pump that is part of a manifold with no check valves:
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:
Curb cock
To check sheave wear:
Measure each groove angle
Variable pitch sheaves may be used in some cases to provide which of the following
types of speed changes:
Small
Absolute pressure is gauge:
Pressure plus 14.7 psi
Which of the following best describes the basic types of sprinkler systems in a building:
Standard wet-type system, Standard dry-type system, A deluge system
Power equals:
Force x distance divided by time
, Torches should be inspected for leakage at the:
Tip, Valves, Hose connections
. Smoke detection is usually accomplished by using either photo-electric scanning,
ionization chambers or smoke reflection devices?
True
If a coupling is not properly aligned:
It 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:
Flexible coupling
The coating on a metallic electrode:
Stabilizes the arc and controls oxidation
When severing a length of 2 inch pipe it is preferable to use:
A pipe cutter
What is the main purpose of the emergency electric power systems?
Run equipment essential to human life for safety
Baffles in a grease interceptor reduce the _________ within interceptors:
Turbulence
Parallel alignment is:
Where 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:
Increased flow will usually increase horsepower requirements
Which of the following alarms will start diesel fire pumps:
Water flow alarm
What term best describes water used for both drinking and cooking?
Potable
Gate valves:
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