• Shell and tube heat exchangers have different passes, including the 1-2 type, and are used in various industries
• Equations for shell and tube heat exchangers can be found in PDF format and are crucial for design calculations and sizing
• There are two types of heat exchangers, and the shell and tube type requires specific calculations and design considerations
• Solved problems and examples for shell and tube heat exchangers are available in PDF format to provide practical insights
• Different types of shell and tube heat exchangers, such as cross flow and parallel flow, have varying design and calculation requirements

For reliable information and a better understanding of shell and tube heat exchangers, one can find examples in PDF format or Wikipedia. By using the equations and design considerations, these heat exchangers can be applied effectively in industrial processes.