Mechanical Engineering Blog | Portal for Mechanical Engineers

The performance of a centrifugal pump can be determined by finding the following efficiencies: Mechanical efficiency Hydraulic efficiency Volumetric efficiency Overall efficiency 1. Mechanical efficiency of a centrifugal pump (η m ): Mechanica…

Different types of welded joints bring two parts together for joining. Five types of welded joints are butt joint, corner joint, lap joint, T-joint, and edge joint. 1. Butt joint: In Butt welded type, the parts lie in the same plane and are joined at their edges. …

Basic properties that cutting tools must possess are: Tool material must be at least 30 to 50% harder than the workpiece material. Tool material must have high hot hardness. High toughness High wear resistance High thermal conductivity Lo…

Program Evaluation and Review Technique (PERT)  and  Critical Path Method (CPM) are the most commonly used methods for project management. There are some similarities and differences between PERT and CPM. PERT can be applied to any field requiring planned, controlled …

The Spark Ignition (SI) engine can be compared with the Compression Ignition (CI) system in 7 aspects. These 7 aspects are engine speed, cycle efficiency, fuel used, time of knocking, cycle operation, the pressure generated and constant parameters during the cycle. …

A comparison of product layout (line) and functional layout (process) in manufacturing  can be made based on workflow, job movement, inventory requirements, machine utilization, capital investment, product quality, work flexibility, space requirements, time required fo…

A feeler gauge is an instrument used to measure gap widths between two flat surfaces where it is difficult to reach. It is found in the metrology section. Feeler gauge consists of small steel lengths (leaves or blades) of different thicknesses with measurements label…