India Dairy Feeds Mechanical Engineer Interview Questions and Answers

A bearing is a machine element that reduces friction between moving parts and supports axial and radial loads.

• Bearings are used in various machines and equipment such as automobiles, airplanes, and industrial machinery.

• They work by allowing smooth and controlled motion between two surfaces.

• The main parts of a bearing are the outer ring, inner ring, rolling elements, and cage.

• Types of bearings include ball bearings, rol...read more

A sine bar is a precision measuring tool used to measure angles.

• Consists of a base, a bar, and a moveable block

• Used in conjunction with a dial indicator to measure angles

• Commonly used in machining and metalworking industries

• Accurate to within a few seconds of a degree

• Can be used to set up workpieces at precise angles for machining operations

There are various types of files used in mechanical fitting.

• There are hand files, needle files, and machine files.

• Hand files are used for general purpose filing and come in various shapes and sizes.

• Needle files are used for intricate work and have a pointed end.

• Machine files are used with power tools and have teeth that are cut in a specific pattern.

• Other types of files include diamond files, riffler files, and rotary

Metal work involves understanding the properties of different metals and how they can be manipulated.

• Metals have different properties such as strength, ductility, and conductivity

• Different metals require different techniques for shaping and joining

• Heat treatment can alter the properties of metals

• Examples of metal work include welding, forging, and machining