Home
Practice
Exam Simulator
Study Plan
Flash Card
FAQ
Blog
In refrigerator which of the following is compressed:
Explore more HVAC questions
Visit our
website
for other HVAC topics now!
Related questions
This is the ratio between the maximum normal flow and the minimum controllable flow:
Variable frequency drives which are used to control the flow of liquids will have ______ efficiency:
The Diverting valves in bypass applications are placed downstream of the coil.
Which of the following control action is usually used where a precise control is not necessary
In case of resistance relative humidity sensor which of the following salt is deposited between two electrodes
Too much reducing the throttling range will make the system unstable:
Which of the following sensors have two positions
Current outputs modulate from:
The output signal of controller may not be transmitted to which of the following:
Which of the following control action of controller is simple and inexpensive:
Electronic Control Systems cannot have which of the control mode:
As the speed of the pump driven by motor reduces the electrical power of the motor:
In which of the following valve the flow is proportional to the position of the valve stem:
Which of the following law states – “the total pressure of a gas mixture is the sum of the pressures of each gas in the mixture”
Which of the following is more advantageous for transmission of signals:
Which of the following control action eliminate the offset that is developed in a HVAC control system:
The rate of corrective action taken up by float control depends on the error signal:
Which of the following control is rarely used:
The typical current range of a sensor is ___________: