INSTRUMENTATION & CONTROLS /BOMA EXAM QUESTIONS WITH CORRECT ANSWERS ALL VERIFIED BY AN EXPERT A+ GRADED (LATEST UPDATE)
0 view 0 purchase
Course
BOMA - Instrumentation & Controls
Institution
BOMA - Instrumentation & Controls
What important function doesn't the care receiver perform? - ANS Dissipate heat, dampens compressor pulsation, Act as water and oil trap
On a compressed air system a safety valve would generally be installed on the - ANS Air receiver
Variable air volume system - ANS Typically use ...
, What important function doesn't the care receiver perform? - ANS Dissipate heat, dampens
compressor pulsation, Act as water and oil trap
On a compressed air system a safety valve would generally be installed on the - ANS Air
receiver
Variable air volume system - ANS Typically use the VFD's to save energy
In figure 1.3, a fool call for cooling would be at what branch pressure to the damper motor -
ANS 3PSIG
K
A ratio relay would be used to - ANS Controlled the sequence of actuators
C
when an actuated device is said to be normally open, that means the device is open with - ANS
No control pressure is applied
LO
In figure 1.4, the hot water valve has a 8 to 12 psig spring range, The damper motor has a 3 to 8
psig spring range. The calibration point of the thermostat is - ANS 8 psig
When you are setting up an instrument, you should know all of the following except - ANS
The rate of flow of the control agent
YC
Which of the following is an example of a controlled with readjusted set point - ANS Sub
master controller
In figure 1.5, the branch pressure from the temperature controller Increases in pressure as the -
ANS Control variable decreases in temperature
D
The departure of the control point from the set point, or the amount of that departure is
described as - ANS Deviation
U
The action of the control that increases its branch pressure As the control variable increases -
ANS Direct acting
ST
In figure 1.3 maximum heating will be at what branch pressure to the damper motor? - ANS
13 psig
In figure 1.0, if the hot water control valve was N/O instead of N/C, What would the control
action be - ANS Direct acting
A 3 way mixing valve - ANS Has two inlets and one comment outlet
What will be the typical range of a control sensor - ANS 4-20 mA
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Studyclock. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
