... Texas 77252-2608 Library of Congress Cataloging-in-Publication Data Rules of thumb for mechanical engineers : a manual of quick, accurate solutions to everyday mechanical engineering ... 36 Rules of Thumb for Mechanical Engineers Sources 1. Standards of Tubular Exchanger Manufacturer’s Associa- 2. API Standard 661, “Air-Cooled Heat Exchangers for 3. Cheremisinoff, ... 6 Rules of Thumb for Mechanlcal Engineers ~~ Bernoulli’s Equation Bernoulli’s equation can be thought of as a special form of energy balance equation, and...