Daimler India Commercial Vehicles Mechanical Technician Interview Questions and Answers

DOC stands for Diesel Oxidation Catalyst, a device used to reduce harmful emissions in diesel engines. Mufflers are components that reduce noise produced by the engine.

• DOC is a device used in diesel engines to convert harmful pollutants into less harmful substances.

• Mufflers are components in the exhaust system that reduce noise produced by the engine.

• DOCs are commonly used in vehicles to meet emission standards.

• Muffler...read more

Starting & presser pipe is a term used in mechanical engineering to refer to pipes used for starting and pressurizing systems.

• Starting pipe is used to supply initial fluid or gas to start a system

• Presser pipe is used to maintain pressure in a system

• Examples include starting and presser pipes in hydraulic systems or pneumatic systems

An engine is the power source of a vehicle that converts fuel into mechanical energy.

• An engine is a complex machine that converts fuel into mechanical energy to power a vehicle.

• It consists of various components such as cylinders, pistons, crankshaft, and camshaft.

• There are different types of engines such as gasoline, diesel, electric, and hybrid.

• Regular maintenance and proper care are essential for the engine's longevi

EGR cleaning involves removing carbon buildup from the exhaust gas recirculation system to improve engine performance.

• Disconnect the EGR valve and inspect for carbon buildup

• Use a cleaning solution or wire brush to remove carbon deposits

• Reinstall the EGR valve and test engine performance

• Repeat cleaning process regularly to prevent future buildup