The heat flux that is applied to the left face of a plane wall is q′′=20 W/m2. The wall is of thickness L = 10 mm and of thermal conductivity k=12 W/m∙K. If the surface temperatures of the wall are measured to be 50 ℃ on the left side and 30 ℃ on the right side, do steady-state conditions exist? slader

Ahouse has the following electrical appliance usage (1) single 40w lamp used for 4 hours per day (2) single 60w fan used for 12 hours per day (3) single 200w refrigerator that runs 24 hours per day with compressor run 12 hours and off 12 hours find the solar power inverter size in watt with correction factor of 1.25.

Which of the following is an easy way to remember the modified “x” tire rotation? a. nondrive wheels straight, cross the drive wheels b. drive wheels straight, cross the nondrive wheels c. drive wheels crossed, nondrive wheels straight d. drive wheels crossed, nondrive wheels crossed

Fluids at rest possess no flow energy. a)- true b)- false