Type the correct answer in the box. Spell all words correctly. Elaine is an engineer. She has to create a prototype of a machine. To do this, she uses a technique where the production time of the prototype is reduced considerably with the help of a fast generation of 3D models. Which technique did she use? Elalne used the technique where the production time of the prototype is reduced considerably with the help of a fast generation of 3D models.​

Acarnot refrigerator operates in a room in which the temperature is 21°c and of power when operating. if the food compartment of the refrigerator is consumes 3 kw to be maintained at 2°c, determine (a) the coefficient of performance of the cycle and (b) the rate of heat removal from the food compartment. refrigerator cycle that has a higher coefficient of performance than that of the discussed (e) is it possible to develop a carn ot refrigerator, operating between the same temperature limits? explain