Please help ASAP!! Which phrase best describes the concept of computer numeric control?

A.) controlling the speed at which raw materials move

B.) controlling the movement of a machine tool

C.) controlling the number of products in a batch

D.) controlling the amount of material used

Give heat transfer applications for the following, (i) gas turbines (propulsion) ) gas turbines (power generation). (iii) steam turbines. (iv) combined heat and power (chp). (v) automotive engines

10 kg of co2 is initially contained at 400 kpa and 300 k. the gas constant for carbon dioxide is 189 j/lkg k) and has a specific heat ratio, k, of 1.289. isentropic expansion then occurs until the pressure is 200 kpa. a) determine the initial volume of co2 in m. b) determine the final temperature in k. c) determine the work done by the system during the expansion kl.

What are the major differences between injection molding and extrusion?