Heat Engines: A nuclear power plant has an actual efficiency of 33%. If 0.19 MW of energy are released from fission, how much electric power does the power plant produce?
A. 0.063 MW
B. 6.3 MW
C. 25 MW
D. 0.25 MW
Answer: A
You might also like to view...
Which of the following is a property of light waves and NOT of sound waves?
A) frequency B) wavelength C) amplitude D) polarization E) none of the above
When adding several quantities, the number of decimal places in the result must always be
A) larger than the number of decimal places in the most accurate of the quantities. B) equal to the number of decimal places in the most accurate of the quantities. C) equal to the average number of significant digits in the most and least accurate of the quantities. D) equal to the number of decimal places in the least accurate of the quantities. E) smaller than the number of decimal places in the least accurate of the quantities.
Planetary orbits
A) are evenly spaced throughout the solar system. B) are highly inclined to the ecliptic. C) are almost circular, with low eccentricities. D) have the Sun at their exact center. E) are spaced more closely together as they get further from the Sun.
How many significant figures are in 0.0037010?
A) four B) five C) six D) seven E) eight