What is part of the fourth stage in the process of technological design? rebuilding and retesting a product analyzing the results of a prototype establishing criteria for a successful product identifying and defining a problem or need

Apossible explanation for a set of facts that can be tested by further investigation is called

You have a pick-up truck that weighed 4,000 pounds when it was new. you are modifying it to increase its ground clearance. when you are finished

6–43 a food department is kept at 2128c by a refrigerator in an environment at 308c. the total heat gain to the food department is estimated to be 3300 kj/h and the heat rejection in the condenser is 4800 kj/h. determine the power input to the compressor, in kw and the cop of the refrigerator.