MidTerm
MIME 3400
March 2, 2012
Section 1
Name _
Last,
First
Open Book / Open Notes (1 page only).
To obtain partial credit: 1) show your work in the proper order (problem 1, then 2, etc.)
and 2) show units. Each answer is worth 10%.
1) Air in a piston-cy

MIME 3400 Thermodynamics I
Section 001
Homework 1
Chapter 2 Extended homework assignment:
Consider a 40 gal., 40,000 Btu/hour electric hot-water heater. If the heater is on
2.0% of the time, what is the annual energy cost of the heater? Assume a cost of $

MIME 3400 Thermodynamics I
Section 001
Chapter 5 Extended homework assignment:
Consider a 40 gal., 40,000 Btu/hour electric hot-water heater. Assume that someone left a
shower flowing that uses of Q gal/minute from the hot-water line. Plot the steady-stat

MIME 3400 Thermodynamics I
Section 001
Homework 1
Chapter 2 Extended homework assignment:
Consider a 40 gal., 40,000 Btu/hour electric hot-water heater. If the heater is on
2.0% of the time, what is the annual energy cost of the heater? Assume a cost of $

MIME 3400 Thermodynamics I
Section 001
Homework 3
Chapter 4 Extended homework assignment:
Consider a 40 gal., 40,000 Btu/hour electric hot-water
heater. Assume the controls are set to heat water to
140oF, the inlet temperature of the water is 55oF. What i