Exam (elaborations)
BOMA- Instrumentation & Controls(questions and answers)
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BOMA- Instrumentation & Controls(questions and answers)
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BOMA-Instrumentation
&
Controls(questio
ns and answers)
All of the above: Dissipates heat, Dampens
compressor pulsations, Act as water and oil
trap - answer What important function(s)
does an air receiver perform?
Air receiver - answer On a compressed air
system a safety calve would generally be
installed on the:
Typically use VFDs to save energy - answer
Variable air volume system:
,3 psig - answer In figure 1.3, a full call for
cooling would be at what branch pressure to
the damper motor?
Control sequence of actuators - answer A
ratio relay would be used to:
No control pressure is applied - answer
When an actuated device is said to be
normally open, that means the device is open
with:
8 psig - answer In figure 1.4, the hot water
valve has an 8-12 psig spring range, the
damper motor has a 3-8 psig spring range.
The calibration point of the thermostat is:
The rate of flow of the control agent - answer
When you are setting up an instrument, you
should know all of the following except:
, Submaster controller - answer Which of the
following is an example of a control with a
readjusted set point:
Controlled variable increases in temperature
- answer In figure 1.5, the branch pressure
from the temperature controller increases in
pressure as the:
Deviation - answer The departure of the
control point from the set point, or the
amount of that departure is described as:
Direct acting - answer The action of a control
that increase its branch pressure as the
controlled variable increases:
13 psig - answer In figure 1.3, maximum
heating would be at what branch pressure to
the damper motor?
Directing acting - answer In figure 1.0, if the
hot water control valve was N/O instead of
N/C. what would the control action be?
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