Chapter 132

Question 0

To offset the heat gain through the building's exterior shell from solar radiation, the atmosphere surrounding the building and internal sources of heat, what is required?
A) a ventilation system
B) a cooling system
C) air circulation
D) forced air system
E) a dual duct system

Answer 0

B) a cooling system

Question 1

When a system draws in only room air, conditions it, and then returns it into the room, it is called:
A) fixed percentage outdoor air circulation
B) full recirculation
C) 100% outdoor air circulation
D) mixed air circulation
E) blended circulation

Answer 1

B) full recirculation

Question 2

The unitary air conditioning system, which uses a direct expansion refrigeration system to provide cooling and dehumidification in a local area without ductwork, is called:
A) unit ventilator
B) rooftop unit
C) window air conditioner
D) high velocity terminal reheat system
E) multi zone system

Answer 2

C) window air conditioner

Question 3

Which of the following statements about multi zone systems is true?
A) the cooling coils are installed inline
B) the dampers are out of phase by 10 degrees
C) when the hot deck is fully opened, the cold deck is fully closed
D) the system cannot operate a humidifier
E) all of the above

Answer 3

C) when the hot deck is fully opened, the cold deck is fully closed

Question 4

The supply temperature of the cold deck in a dual duct system is 12.5*C?
A) true
B) false

Answer 4

A) true