How is placement of the condenser line determined when drawing a PH diagram of an operating system?
A) Draw a vertical line across the saturation curve on a constant enthalpy line equal to the system high-side absolute temperature.
B) The condenser line can be drawn anywhere that crosses the saturation curve as long as it is a horizontal line.
C) Draw a horizontal line across the saturation curve on the constant pressure line equal to the system high-side absolute pressure.
D) The condenser line is always drawn on the horizontal line representing 275 psia absolute pressure.
C
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Answer the following statement(s) true (T) or false (F)
1. A timer is an example of a decision or logic device. 2. As an input device, a pyrometer would provide information about pressure. 3. In some counters, the output contacts can be adjusted to perform in a specific manner. 4. When the stepping motor is deenergized, the contacts return to the reset condition. 5. A typical electromechanical counter is generally available with digital set and readout dials.
Deep extended surface air filters are up to three times more efficient than regular air filters because the filter media used is _________________________.
Fill in the blank(s) with the appropriate word(s).
In a mechanical governor what forces act on the thrust lever?
A. Centrifugal force and spring force. B. Pneumatic and spring force. C. Centrifugal and centripetal force. D. Hydraulic and spring force.
The Lincoln MKZ hybrid is based on the ____ hybrid.
A. Focus B. Eclipse C. Fusion D. Escape