Suppose a power plant uses a Carnot engine to generate electricity, using the atmosphere at 300 K as the low-temperature reservoir. Suppose the power plant produces an amount of electricity with the hot reservoir at 500 K during Day One and then produces the same amount of electricity with the hot reservoir at 600 K during Day Two. The thermal pollution was:
a. greatest on Day One.
c. the same on both days.
b. greatest on Day Two.
d. zero on both days.
A
You might also like to view...
Which of the following is true of the scientific names of constellations?
A) They are in Latin or Greek. B) They are in French or Italian. C) They are in Hebrew or Arabic. D) They are in Sumerian or Mayan.
What characteristic of a telescope controls the amount of light captured by the telescope?
a. resolving power b. magnifying power c. size of eyepiece d. number of mirrors e. diameter of tube
Consider an object twice the size of Comet Tempel 1. What kind of damage would this object cause if it hit our planet?
A) mass extinction B) widespread devastation and climate change C) atmospheric explosion or a small crater
A 2.0-mol ideal gas system is maintained at a constant volume of 4.0 L. If 110 J of heat is added, what is the work done on the system? ?
a. 5.5 J b. 3.7 J c. ?3.7 J d. zero e. 22 J