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HVAC Controls: Controlled Devices Quiz Questions Answers
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Question 1 of 12
1. Question
1 pointsThe curve heat emission vs the flow of water through a typical heating coil will be of which of the following:
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Question 2 of 12
2. Question
1 pointsWhich of the valve is generally used to divert the flow:
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Question 3 of 12
3. Question
1 pointsVariable frequency drives which are used to control the flow of liquids will have ______ efficiency:
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Question 4 of 12
4. Question
1 pointsThe Diverting valves in bypass applications are placed downstream of the coil.
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Question 5 of 12
5. Question
1 pointsAs the speed of the pump driven by motor reduces the electrical power of the motor:
Correct
Speed of the pump is proportional to the cube of the power drawn by the pump
Incorrect
Speed of the pump is proportional to the cube of the power drawn by the pump
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Question 6 of 12
6. Question
1 pointsThe effect of varying speed with a centrifugal pump is to vary which of the following quantity:
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Question 7 of 12
7. Question
1 pointsActuators respond the signals coming from which of the following:
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Question 8 of 12
8. Question
1 pointsWhich one of the following is not an HVAC control actuator:
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Question 9 of 12
9. Question
1 pointsWhich of the following actuator characteristics are important:
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Question 10 of 12
10. Question
1 pointsFire dampers must not meet the requirements of which of the following:
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Question 11 of 12
11. Question
1 pointsWhich of the following is sensors located in each main return air duct for controlling outdoor air/return mixing dampers or the outdoor air fans:
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Question 12 of 12
12. Question
1 pointsWhen the damper makes up a significant portion of the total system pressure loss, which of the dampers are used:
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