19. Q. Why Are Deep Well Cookers Usually Insulated?
A. Many foods prepared in the deep well cooker are those requiring long cooking periods. Because of adequate insulation less current is used. For example, the insulation on deep well cookers makes it possible to prepare an entire meal at a total current cost of less than two cents. (Based on an electric cooking rate of two-and-a-half cents per kilowatt.)
Using the Electric Range Oven
1. Q. How Long Does It Take to Preheat the Electric Oven for Baking?
A. From seven to fifteen minutes is usually required for preheating to a temperature of 350°F. (In one make of Range, two units provide correct baking heat and fast preheating to 400°F in less than seven minutes.)
2. Q. How Can the User Determine When the Oven Has Reached the Temperature She Desires for Baking or Roasting?
A. This is easily determined by the oven signal light which goes out when the oven reaches the desired temperature.
3. Q. Is It Necessary to Preheat the Electric Oven for Baking?
A. No, however, for time-saving the oven should be preheated.