Which option can John use for transferring materials between machining centers and inspection centers in his factory? John needs to implement a flexible manufacturing system. He plans to do away with the fixed mechanisms in his factory that are used to transfer parts and materials and employ various BLANK
to navigate without human drivers. They will be used to transfer materials between machining centers and inspection stations.

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