The Carnot engine is important because
A. it was historically the first practical heat engine.
B. it shows (in principle) how one can use ideal gas processes to create a perfectly efficient engine.
C. it shows (in principle) how one can use ideal gas processes to create a maximally efficient engine.
D. it is the only engine that one can run in reverse as a refrigerator.
E. some other reason (specify).
C. it shows (in principle) how one can use ideal gas processes to create a maximally efficient engine.
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A 1.50-m long gas column that is open at one end and closed at the other has a fundamental resonant frequency 80.0 Hz. What is the sound speed in this gas?
A) 120 m/s B) 53.3 m/s C) 30.0 m/s D) 213 m/s E) 480 m/s
Outgassing refers to the formation of an atmosphere by the attraction of gases from the surrounding nebula
Indicate whether the statement is true or false
A horse-power is equal to 550
A) J/s. B) Kw-h. C) ft-lb/minute. D) ft-lb/s. E) J/hour.
The softening point for the soda-lime glass in Figure 9.3 is approximately _________K.
Fill in the blank(s) with the appropriate word(s).