A turbine takes in 2 200-K steam and exhausts the steam at a temperature of 200 K. What is the maximum theoretical efficiency of this system?
a. 83%
b. 75%
c. 91%
d. 68%
e. 62%
c
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In the difference A - B - C, A is accurate to 5 decimal places, B is accurate to 2 decimal places, and C is accurate to 3 decimal places. What is the correct number of decimal places in the difference?
A) 2 B) 3 C) 4 D) 5 E) 0
A square coil of wire with 15 turns and an area of 0.40 m2 is placed parallel to a magnetic field of 0.75 T. The coil is flipped so its plane is perpendicular to the magnetic field in 0.050 s
What is the magnitude of the average induced emf? A) 6.0 V B) 12 V C) 36 V D) 45 V E) 90 V
Fraunhofer was the German astronomer who first noted ________ lines in the Sun's spectrum
Fill in the blank(s) with correct word
Any chemical that can cause cancer is called a(n) ______________
Fill in the blank(s) with correct word