Acar's engine consumes 110 kw of power from its fuel, converts some of that to useful shaft power, and rejects 85 kw of heat. what is the engines efficiency?

Burgers vector is generally parallel to the dislocation line. a)-true b)-false

Hydraulic fluid with a sg. of 0.78 is flowing through a 1.5 in. i. d. pipe at 58 gal/min. the fluid has an absolute viscosity of 11.8 x 105 lbf-sec/ft2. is the flow laminar, turbulent or within the critical range? give both a numerical reynolds number and a term answer.

Agas mixture consists of 8 kmol of h2 and 2 kmol of n2. determine the mass of each gas and the apparent gas constant of the mixture.