Design, Operation And Maintenance Of Building Systems.
Design, Operation and Maintenance of Building systems.
- 1.The direct expansion refrigerent HVAC system commonly used in newer one to three story office buildings is the:
- A.
Through the wall unit
- B.
Water cooled cabinet unit
- C.
Rooftop unit
- D.
Fan coil unit
- 2.As part of an economic feasibility study, which evaluation approach analyzes all current and future financial implications of a capital project?
- A.
Systems approach
- B.
Life cycle costing
- C.
Pay back evaluation
- D.
Cost benefit analyis
- 3.The HVAC componet requiring the Most maintenance due to wear, dirt, and vibration and at least ssemiannual inspection for lost accuracy and failure is the:
- A.
Refrigeration compressor
- B.
Pressure gauge
- C.
Automatic tempererature control
- D.
Air handling unit
- 4.All flooring requires that there be some preperation of the:
- A.
Inside temperture
- B.
Subfloor
- C.
Air quality
- D.
Walls
- 5.Which is a dead load?
- A.
Occupants
- B.
Utility istallations
- C.
Movable partitions
- D.
Precipitation
- 6.Steel rods or bars are added to concrete to provide additional:
- A.
Compressive strength
- B.
Insulation
- C.
Tensile strength
- D.
Weater resistance
- 7.Which type of bond guarantees that the contractor will complete the work in accordance with the oowner-contractor agreement?
- A.
Ancillary bond
- B.
Bid bond
- C.
Payment bond
- D.
Performance bond
- 8.Typical problems with the exterior building envelope are failure or deterioration of all of the following except.
- A.
Weepholes
- B.
Glazing compound
- C.
Mortar joints
- D.
Backer rods
- 9.Wich is false concerning CPM (critical path method) scheduling?
- A.
CPM is a simple, powerful tool that is commonly used in project scheduling.
- B.
Critical task are those items that can be done at the same time
- C.
When properly used, CPM can give a snapshot of a projects health at any given moment.
- D.
The crital tasks make up a line or path that determines the amount of time the job takes.
- 10.All of the following are advantages of glass-fiber-reinforced gypsum except
- A.
Superior fire-retardant properties.
- B.
Light weight for use on ceilings
- C.
Easy to ship and store.
- D.
Installation
- 11.The principal way to improve a buildings indoor air quality is to:
- A.
Establish a no smoking policy throughout the building
- B.
Educate occupants about the materials used in furniture.
- C.
Reduce the amount of outside air drawn into the building
- D.
Maintain acceptable temperature and relative humidity
- 12.A lower U-Value indicates that a curtain wall or window assembly:
- A.
Is poorly designed
- B.
Can handle most seimic loads
- C.
Is well insulated
- D.
Has excellent expansion capabilities
- 13.All of the following are building location factors related to roof design and selection criteria except:
- A.
The presense of rooftop epuipment
- B.
Climate conditions
- C.
Ease of roof access and potential for vandalism
- D.
The presence of birds, vermin, and other potential pest.
- 14.Efforts to keep equipment in good operating condition are called:
- A.
Maintenance
- B.
Troubleshooting
- C.
Monitoring
- D.
Inspection
- 15.In a refrigeration system, the pressure on the discharge side of the compressor is called:
- A.
High-side pressure
- B.
Back pressure
- C.
Suction pressure
- D.
Low-side pressure
- 16.Water hammer in plumbing systems is caused by:
- A.
The slow opening and closing of valves.
- B.
Change in water temperature
- C.
Oscillations in the pressure of water
- D.
A lack of air in the system
- 17.Aluminum windows share all of the following problems common to metal windows except.
- A.
Corrosion
- B.
Inability to anodize
- C.
Difficult to refinish
- D.
Poor heat flow resistance.
- 18.In the refrigeration system, the heat exchanger between the refrigerent and the exterior environment is the:
- A.
Evaporator
- B.
Condenser
- C.
Compressor
- D.
Chiller
- 19.A fire damper is required in a duct system where:
- A.
The duct splits
- B.
There are duct transitions
- C.
There is a low pressure duct
- D.
The duct penetrates a fire zone barrier
- 20.In conference rooms, auditoriums, and other areas of assembly, the most significant heat gain is from:
- A.
Lighting
- B.
Ventilation
- C.
Equipment
- D.
People
- 21.Which is true concerning electric heating?
- A.
It can be centralized or decentralized
- B.
It has a higher maintenance and insurance cost than fossil fuel systems
- C.
It has a fundamentally higher efficiency than fossil fuel systems
- D.
It has higher installation cost than fossil fuel systems
- 22.The most popular installation method for commercial carpet is:
- A.
Single glue down
- B.
Double glue down
- C.
Stretchin using tackless strip
- D.
Stretch in using tackless strip and padding
- 23.What is the most vital contribution of the owner in the construction of a new building?
- A.
Providing the project concept and requirements
- B.
Administrating the contractor selection
- C.
Acquiring the land and project approvals
- D.
Furnishing financial resources for the project
- 24.Which best descibes the design-build approach to construction project delivery?
- A.
The owner hires an architectural firm that serves as the owner's agent.
- B.
The owner contracts separately with a designer and a contractor
- C.
The owner contracts with a single firm that employs and architect
- D.
The owner divides a project into two or more parts and separately contracts each part
- 25.Which is true concerning cabling in HVAC control systems?
- A.
Coaxial cable and a twisted pair of wires are relatively inexpensive and easy to install
- B.
Coaxial cable and a twisted pair of wires are not subject to electrical interference, such as lightning
- C.
Fiber optic telephone lines can transport data long distances and are inexpensive to use and are not subject to the same failures as normal twisted-pair telephone lines
- D.
Connections of fiber optic cable to copper are inexpensive
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