Architecture Building Systems (MEP)

Question 1

What does 'HVAC' stand for in building systems?

Accepted Answer

Heating, Ventilation, and Air Conditioning

Answer

High Voltage Alternating Current

Answer

Hydraulic Valve and Compressor

Answer

Humidity, Ventilation, and Cooling

Question 2

What is the primary function of a building's 'plenum' in HVAC distribution?

Accepted Answer

To serve as a pressurized air supply or return path, typically the space above a suspended ceiling

Answer

To house the main air-handling unit on the mechanical floor

Answer

To provide a chase for vertical duct risers between floors

Answer

To contain the building's electrical distribution panels

Question 3

What is the purpose of a 'P-trap' in a plumbing drain system?

Accepted Answer

To maintain a water seal that blocks sewer gases from entering the building

Answer

To prevent pipe vibration from water hammer pressure surges

Answer

To reduce water pressure at fixtures to an acceptable range

Answer

To measure flow rate for leak detection purposes

Question 4

In electrical systems, what does 'three-phase power' provide compared to single-phase power?

Accepted Answer

More efficient power delivery for large motors and commercial/industrial loads

Answer

Lower voltage for residential lighting circuits

Answer

Emergency backup power during utility outages

Answer

Reduced voltage drop over long distribution distances in residential settings

Question 5

What is the function of an 'air handling unit' (AHU) in a central HVAC system?

Accepted Answer

To condition and circulate air by heating or cooling it and distributing it through ductwork

Answer

To generate chilled water for distribution throughout a building

Answer

To control the flow of refrigerant in a direct-expansion cooling system

Answer

To monitor and adjust indoor air quality sensors throughout the building

Question 6

What plumbing fixture unit (FU) value is primarily used for?

Accepted Answer

Calculating the hydraulic load of fixtures to size drain, waste, and vent pipes

Answer

Measuring the flow rate of individual fixtures in gallons per minute

Answer

Rating the pressure drop across a fixture at maximum flow

Answer

Determining the water heater capacity required for a building