Study Guide 2024).

What is not a typical combination of heat source/sink, distribution fluid, and thermal cycle combination? a) Water, Water, Water Changeover b) Air, Air, Refrigerant Changeover c) Water, Air, Refrigerant Changeover d) Air, Air, Air Changeover e) Earth, Air, Air Changeover {Ans: e) Earth, Air, Air Changeover}In the schematic on page 1, what part of the system is marked as 2? a) Conditioned space b) Supply air c) Outdoor air d) Relief air e) Return air {Ans: c) Outdoor air}What is not a correct statement regarding two-position (on-off) control? a) Variable frequency drivers are commonly used with two-position control b) Two-position control can be applied to all types of equipment c) The operational differential is larger than the control differential d) Overshoot is a common occurrence in two-position control e) A typical home thermostat is a good example of a two-position controller {Ans: a) Variable frequency drivers are commonly used with two-position control}What is the most common fuel supplied for residential heating? a) Propane b) Coal c) Wood d) Natural Gas e) Oil {Ans: d) Natural Gas}Which of the following is an incorrect statement about a heat recovery system with zone heat pumps? a) heat pumps will