A horizontal move to the right on the psychrometric chart corresponds to which of the                                                                                                                  following? Select all that apply. A) A decrease in specific B) An increase in enthalpy. C) A decrease in D) A decrease in humidity ratio. E) A decrease in relative F)

A horizontal move to the right on the psychrometric chart corresponds to which of the                                                                                                                  following?

Select all that apply.

1. A) A decrease in specific B) An increase in enthalpy.
2. C) A decrease in D) A decrease in humidity ratio.
3. E) A decrease in relative F)

Which of the following equations is correct to calculate heat flow by water?                                                                                                                                                                                                                                                                                                                                               

1. A) Q = 500 * GPM * AT B) Q = 4.5 * CFM * AH
2. C) Q = 1.1 * CFM * AT D)

Identify which of these equations should be used for the following load estimates:                                                                                                                                                                                                                                                                                                                                               

Conducted heating load through a roof Conducted cooling load through a wall Conducted cooling load through a window Solar cooling load through a window Winter infiltration load

Summer infiltration load Appliance cooling load

) Building occupants are often assume to liberate 500 Btuh, consisting of 250 Btuh sensible heat +                                                                                                                                                                                                                                                                                                                                             250 Btuh latent heat. If, for some reason, the occupants liberated 600 Btuh, consisting of 150 Btuh

sensible heat + 450 Btuh latent heat, which of the following effects would occur? Select all that apply.

1. Less refrigeration would be
2. More refrigeration would be
3. More air would be needed to cool the
4. Less air would be needed to cool the

) If the building is designed to have separate air conditioning systems for each face (N, S, E, and                                                                                                                                                                                                                                                                                                                                             W), for what time of day would you size the East facing system?

1. A) 8:00 AM B) Noon C) 4:00 PM

) Which list states the correct order of equipment for the vapor compression cycle?                                                                                                                                                                                                                                                                                                                                                     

1. Condenser, then compressor, then evaporator, then expansion
2. Expansion valve, then evaporator, then compressor, then
3. Compressor, then expansion valve, then evaporator, then,

) Match these refrigerants (insert number) with their properties listed below. (1) R-12

(2) R -134A

(3) R-410A

(4) R-717

Environmentally friendly, but flammable and toxic. Banned by Montreal Protocol due to high ODP.

On its way out due to high GWP. Was a replacement for R-22.

Which of the following statements is true of desiccant cooling? Select all that apply.                                                                                                                                                                                                                                                                                                                                               

1. Must be used in combination with another system to provide
2. Uses heat to regenerate
3. Cooling effect consists primarily of
4. Can be used for comfort cooling in dry