Liquid achieves its boiling point:
A) When the liquid has reached its critical mass.
B) When the vapor point of the gas bubbles in a liquid becomes lower than the pressure surrounding the liquid.
C) It is below its critical pressure.
D) When the vapor point of the gas bubbles in a liquid becomes equal to the pressure surrounding the liquid.
D
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In practice, which of the following systems is the most likely to be modeled with the virial equation of state?
A. Benzene at STP B. Ethanol at 150 K and 101 325 Pa C. Propane at 100 Pa and 37 °C D. Carbon dioxide at 500 kPa and 50 °C E. Freon-22 at 400 K and 4 MPa
Technician A says that when replacing disc brake pads, most OEMs recommend that fluid be removed from the master cylinder before compressing the caliper piston with a C-clamp. Technician B says that the caliper bleed screw should be opened before compressing a caliper piston with a C-clamp. Who is correct?
A. Technician A B. Technician B C. Both A and B D. Neither A nor B
Troubleshooting A/C unit with TEV (10 SEER or less) - Diagnosis: Inefficient compressor Verify by pulling it into a vacuum
In the ____ step of laser printing, a strong electrical charge draws the toner off the drum onto the paper.
A. Developing B. Transferring C. Writing D. Cleaning