?What configurations may be used for a solar domestic water heating system?
A. ?internal heat exchanger only
B. ?external heat exchanger only
C. ?either internal or external heat exchanger
D. ?no separate heat exchanger is required
Answer: C
You might also like to view...
A(n) ____________________ profile is a profile located and defined by basic radii, basic angular dimensions, basic coordinate dimensions, basic size dimensions, undimensioned drawings, formulas, or mathematical data, including design models.
Fill in the blank(s) with the appropriate word(s).
Torque is defined as force times ____________________.
Fill in the blank(s) with the appropriate word(s).
A reflective orange triangle with a red border on each of the three sides is called a _____
a. railroad crossing emblem c. slow-moving vehicle emblem b. radioactive emblem d. truck crossing emblem
The two forms of spread spectrum are frequency hopping and ______________
A. direct sequence B. continuous wave C. spectral regrowth D. voltage controlled