The temperature of superheated refrigerant is
A. at its boiling point.
B. above its boiling point.
C. below its boiling point.
D. none of the above.
Answer: B
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The ____ value of a chart is associated with the dependent axis, or y-axis.
A. scale B. reference C. marker D. tick
Which of the following applications does not demonstrate the importance of maintaining isolation for the neutral or grounded-circuit conductor?
A. Ground-fault circuit interrupters B. High-impedance grounded neutral systems C. Ground-fault protection of equipment D. Isolated systems in health care facilities
Why is exhaust gas recirculation (EGR) used?
A. To meet emissions standards. B. To increase fuel efficiency. C. To regulate charge air temperature. D. To increase engine horsepower.
Providing a short duration injection pulse prior to main injection pulse is referred to as:
A. Pilot injection phase. B. Multi-injection phase. C. Delayed injection phase. D. Injection overlap.