Which system required the least maintenance in occupied space?
A) Dual duct VAV.
B) Fan coils.
C) PTAC.
D) VAV Multizone.
E) Fan terminal units.
D) VAV Multizone.
You might also like to view...
A column of water in a glass tube is 140 cm high. If the temperature rises 65ºC, assuming the tube’s diameter remains constant, the water column would rise about:
A) 3.2 cm B) 2.6 cm C) 2.2 cm D) 1.8 cm
Performing work on or near energized equipment above ground with a potential of 50 volts or greater requires a(n) _____.
a. hot work permit b. electrical hot work permit c. lockout/tagout d. confined space permit
What procedure should be used to size air-conditioning equipment?
A) Multiply the rooms by 120 to get the system airflow, then divide that answer by 400 to get the unit capacity in tons. B) Perform a load study using ACCA Manual J. C) Divide the house square footage by 600 and round up to the nearest whole number to arrive at the unit capacity in tons. D) Divide the house volume by 15 to arrive at air changes and then divide that answer by 400 to get the unit capacity in tons.
Capacitive reactance is measured in ____.
A. ohms B. farads C. hertz D. watts