The middle United States is which ASHRAE Std. 90.1 Climate Zone?
A) Climate Zone 2.
B) Climate Zone 4.
C) Climate Zone 3.
B) Climate Zone 4.
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Which of the following components and subsystems might be required for a heating hot water system? Select all that apply.
A) Condensate return B) Boilers C) Coils D) Deaeration E) Heat exchangers F) Makeup water
The effect of temperature on liquid viscosity is generally:
a. viscosity increases as temperature decreases b. viscosity decreases as temperature decreases c. viscosity increases as temperature increases d. viscosity is not affected by temperature
Turbochargers and supercharges force more air and fuel into the engine to increase performance.
Answer the following statement true (T) or false (F)
An older GM vehicle with ABS flashes codes when ________
A) A-to-H are jumped at the data link connector B) The key is on with the engine off C) A-to-B are jumped at the data link connector D) The key is turned on-off-on-off-on