Tata Steel Diploma Trainee Engineer Interview Questions and Answers for Freshers

The percentage of carbon in cast iron varies from 2.1% to 4.0%.

• Cast iron is a strong and brittle material used in construction and manufacturing.

• The carbon content in cast iron gives it its unique properties.

• Higher carbon content makes cast iron more brittle and less ductile.

• Gray cast iron typically contains 2.1% to 4.0% carbon.

• White cast iron has a higher carbon content, usually above 4.0%.

Universal coupling is used to connect two shafts that are not in line with each other.

• It allows for angular misalignment between the shafts

• It can also accommodate axial and radial misalignment

• It is commonly used in automotive and industrial applications

• Examples include connecting the engine and transmission in a car, or connecting a motor to a pump in a factory

Power can be transmitted from one shaft to another shaft using various methods.

• Coupling the two shafts together using gears, belts, or chains

• Using a universal joint to connect the two shafts at an angle

• Using a fluid coupling or torque converter to transmit power

• Directly connecting the two shafts using a clutch or brake

• Examples include transmission systems in automobiles and power transmission in industrial machinery