Home
Practice
Exam Simulator
Study Plan
Flash Card
FAQ
Blog
Which of the following control is rarely used:
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
In refrigerator which of the following is compressed:
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:
The typical current range of a sensor is ___________:
