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General Maintenance BOMA Pre-Quiz(with 100- correct answers).
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General Maintenance BOMA Pre-Quiz(with 100- correct answers).
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General Maintenance BOMA Pre-Quiz(with100- correct answers).
When Starting a centrifugal pump That is part of a manifold
with no check valves - ✔✔ANSW✔✔..You should open the
suction valve, start the pump and open the discharge valve
slowly
which of the following methods of measuring is best used for a
piece of pipe which will have fitting screwed on only one end? -
✔✔ANSW✔✔..end to center
A sprinkler head that is mounted in an inverted position is
called - ✔✔ANSW✔✔..Pendent, Conventional, Flush Pendant(
all of the above)
Water fire suppression system require: - ✔✔ANSW✔✔..Pumps,
Storage tanks, (both A &B)
Its a good idea to have as little suction lift as possible. Normally
you shouldn't have more than_____ feet of lift on the suction
side of a pump. - ✔✔ANSW✔✔..15
,Of the following, which is the most critical factor regarding the
suction lift of a pump handling water - ✔✔ANSW✔✔..Distance
What methods of measuring is used to measure the full length
of pipe? - ✔✔ANSW✔✔..End to end
Which of the following would not be a cause of a centrifugal
pump failing to deliver water? - ✔✔ANSW✔✔..Slight leakage of
the packing
A foot valve may sometimes be used on the submerged end of
the suction pipe of a centrifugal pump: - ✔✔ANSW✔✔..To keep
the pump primed
We can change the performance of a given pump by changing
the speed at the impeller edge. This can be done by: -
✔✔ANSW✔✔..By changing the rpm, by changing the impeller
diameter (A&B)
When you find a chisel that has a mushroomed head, you
should, - ✔✔ANSW✔✔..Grind the head down to its proper
shape
, Which of the following metals is not generally considered as
suitable packing material? - ✔✔ANSW✔✔..Chrome- steel
On a site development plan drawn to a scale of 1"=10'0 a
40'x80' building would be drawn: - ✔✔ANSW✔✔..4"x8"
When welding galvanized metals in a confined space it is vital to
make sure the area is well ventilated: - ✔✔ANSW✔✔..True
A 1/4 bend changes the direction of the pipe -
✔✔ANSW✔✔..90 degrees
The device used to measure battery acid strength is -
✔✔ANSW✔✔..Hydrometer
The simplest pump and the least expensive is the: -
✔✔ANSW✔✔..Jet
Which of the following is of little consequence when selecting
the correct packing for a particular service -
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