?How is solar fraction determined once the values of X and Y are known?
A. ?a nonlinear equation is applied
B. ?a linear equation with integer constants is applied
C. ?from the slope and y-intercept of the collector instantaneous efficiency graph
D. ?it cannot be determined without using software
Answer: A
You might also like to view...
What is the most common size (width and length) of sheet paneling?
A) 4' × 9' B) 4' × 8' C) 4' × 12' D) 4' × 16'
____ is made by bonding large wood flakes 1-1/2 in. or longer into panels having the same thicknesses and sizes as particleboard.
A. Particleboard B. Fiberboard C. Softboard D. Waferboard
A liquid-vapor equilibrium mixture is confined in a closed system with a total volume of 1 m3. The temperature of the mixture is 350 K and the pressure is 150 kPa. The liquid has a molar volume of 8 × 10-5 m3/mol and the vapor can be modeled as an ideal gas. If there are 100 total moles, what is the number of moles in the liquid phase?
A. 51.3 mol B. 48.7 mol C. -51.3 mol D. 0.414 mol E. Only 1 degree of freedom exists in the system, but two properties are specified (T and P), so the problem is invalid/void/impossible.
Welding wire that has been graded for rigid control fabrication comes with a(n) _____
A) Certificate of Conformance B) Certified Chemical Analysis report C) AWS guarantee for chemical safety D) set of cast and helix instructions