Question

A 2-horsepower automobile electric starter motor operates at 88 percent efficiency from a 12-V

battery. What is the battery internal resistance if the battery terminal voltage drops to 11 V

when energizing the starter motor?​

Answer 1

Answer:

storage tank tested to destruction with an internal vacuum (external pressure). ... External pressure can be created three ways: From a vacuum inside a vessel and atmospheric pressure outside. From a pressure outside a vessel greater than atmospheric (typically from some types of jacket or a surrounding vessel)