Latest Mechanical Engineering Interview Questions | Placement Interview Questions
1. What is the difference between a pipe and a tube? Ex. Iron Pipe, Carbon Tube, Steel Tube etc. · Tube is defined by Outer diameter and Wall thickness (OD and WT). While Pipe is defined by Inner diameter (ID). Example: 2 inch pipe have 2.375 inch outer diameter, where 2 inch tube have same 2 inch outer diameter. · Tube is easily shaped by bending, whereas the Pipe needs some mechanical work to shape it. · Tube is tight then Pipe. · Tube is applicable to non cylindrical sections like Square and Rectangular. 2. Is gate valve used for