Heat is transferred to the piston of Problem 3 until the steam is a saturated vapor (it rises more than 2 m). The required heat transfer is nearest:
A) 4100 kJ
B) 3700 kJ
C) 3100 kJ
D) 2600 kJ
A) 4100 kJ
Q = ?H = m(h2 ? h1) = 2×(2683.5 ? 334.9) = 4097 kJ
You might also like to view...
Which substance is not found in CFC refrigerants?
a. Chlorine b. Carbon c. Fluorine d. Hydrogen
How were the 1994 midterm elections significant?
A. It revealed the national problem with militias. B. It was a crushing defeat for Republicans. C. Many of the elections were too close to call. D. The Democratic party took a sharp turn to the right. E. The last of the conservative Democrats in the South were wiped out.
What is the difference between “dimensions” and “units?”
What will be an ideal response?
Select the characteristics of a cube ice machine. You may select more than one
A) Continuous ice making and delivery B) Cylindrical evaporator C) Uses a slow-turning auger to crack off the ice D) Alternating ice making and harvest cycles E) Uses hot gas bypass to release ice from the evaporator F) Large rectangular evaporator