Exam (elaborations)
Building Technology- Questions and Answers
- Course
- Institution
Building Technology- Questions and Answers
[Show more]
Content preview
Building Technology- Questions andAnswers
Passive Infrared Correct Ans-A type of perimeter detector which detects object in heat range
of body temperature.
Light Beam Correct Ans-A type of perimeter detector which detects interruption of light
beam.
Washdown Correct Ans-A type of perimeter detector which detects change in sound wave
pattern
Pull Box Correct Ans-A box with a blank cover which serves the purpose of joining one
different runs of
raceways or cables and provided with sufficient space for connection and branching of the
enclosed conductors.
Washdown (WD) Correct Ans-A type of water closet that is least efficient, subject to
clogging, noisy, and use a simple
washout action through a small irregular passageway.
Reverse Trap (RT) Correct Ans-This type of water closet is similar to that of the siphon-jet
except that it has a smaller
trap passageway and smaller water surface area, moderately noisy.
Siphon Vortex (SV) Correct Ans-A toilet bowl similar to the siphon-jet, but having the flushing
water directed to the rim to
,create circular motion or vortex which scours the bo
Developed Length Correct Ans-The length of a pipeline measured along the centerline of the
pipe and pipe fittings.
Gate Valve Correct Ans-A shutoff valve closed by lowering a wedge-shaped gate across the
passage.
Spring Line Correct Ans-The centerline of pipe
Microwave Correct Ans-A type of perimeter detector which is subject to false alarm from
aircraft radar and from
movement outside building through window, wood doors, and the like. It uses radio waves
Black Correct Ans-Color code for pipes containing acid.
Metal Halide Lamp Correct Ans-A high intensity discharge lamp in which the light is
produced by the radiation from a
mixture of a metallic vapor, similar to that of a mercury lamp in construction.
Mercury Lamp Correct Ans-A type of lamp popular for lighting commercial interiors, uses
argon gas to ease starting,
it produces light by means of an electric discharge in mercury vapor.
High-Pressure-Sodium (HPS) Correct Ans-A type of lamp generally used for roadways and
sidewalks, uses sodium gas.
Riser Diagram Correct Ans-This shows the vertical relationships of all panels, feeders,
switches, switchboards, and
,major components are shown up to, but not including, branch circuiting, it is an electrical
version of a vertical section taken through the building.
In elevator, it protects the equipment from over current. Correct Ans-In elevator, it protects
the equipment from over current.
Limit Switches Correct Ans-In elevator, these prevent the excessive car travel at the highest
and lowest floor.
MechanicalMaintenance Correct Ans-This device, in escalators, is provided at the drive unit
location to protect against
accidental movement of the escalator during inspection of the drives or during general
maintenance.
Current Overload Safety Switch Correct Ans-This device, in escalators, stops the escalator
automatically if an abnormal current is
supplied to the motor.
Teflon Correct Ans-One of the earlier plastic to be developed in 1938, a du pont trade name
for the white,
soft, waxy, and non-adhesive polymer of tetrafluoroethylene.
Ton of Refrigeration Correct Ans-The cooling effect obtained when 1 ton of ice at 32 oF (0
oC) melts to water at the same
tmeperature in 24 hrs. (equivalent to 12,000 Btu/hr)
Cross Tee Correct Ans-Short metal "T" beam used in suspended ceiling systems to bridge the
spaces
, Pantile Correct Ans-Roofing tile which has the shape of an "S" laid on its side
Mission Tile Correct Ans-Clay roofing tile approximately semi cylindrical in shape laid in
courses with units
having their convex side alternately up and down
Dado Correct Ans-Groove cut into a board or panel intended to receive the edge of a
connecting board
Foundation Wall Correct Ans-Part of the building foundation which forms the permanent
retaining wall
of the structure below grade
Grade Beam Correct Ans-Part of a foundation system which supports the exterior walls of a
superstructure and
bears directly on the column footing
Dampproofing Correct Ans-Black, tar like waterproofing material applied to the exterior of a
foundation wall
Balloon Framing Correct Ans-System of framing a building in which the studs are continuous
to
roof supporting second floor joints
Western Framing Correct Ans-System of framing a building on which floor joists of each
storey rest on the top plates
of the storey below and the bearing walls and partitions rest on the subfloor of each storey
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 ExamRoom. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $15.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75759 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now