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

Trades & Technology

You might also like to view...

Which substance is not found in CFC refrigerants?

a. Chlorine b. Carbon c. Fluorine d. Hydrogen

Trades & Technology

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.

Trades & Technology

What is the difference between “dimensions” and “units?”

What will be an ideal response?

Trades & Technology

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

Trades & Technology