Which is TRUE regarding series circuits? 1) Resistance remains constant.
2) Voltage remains constant.
3) Power remains constant.
4) Current remains constant.

During a steady flow process, the change of energy with respect to time is zero. a)- true b)- false

The higher the astm grain size number, the finer the gran is. 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.