Trainee Operating Engineer Interview Questions and Answers for Freshers

Automation is the process of performing tasks or operations without human intervention.

• Automation involves using technology or machines to complete tasks automatically.

• Examples of automation include self-driving cars, smart home systems, and industrial robots.

• Automation can increase efficiency, reduce errors, and save time and labor.

• It is widely used in various industries such as manufacturing, transportation, and healthcare.

Some parts used in two wheeler engine assembly are piston, cylinder, crankshaft, camshaft, valves, spark plug, connecting rod, and carburetor.

• Piston: Moves up and down inside the cylinder, creating compression.

• Cylinder: Houses the piston and allows for combustion.

• Crankshaft: Converts linear motion of the piston into rotational motion.

• Camshaft: Controls the opening and closing of valves.

• Valves: Regulate the flow of air and fuel into the cylinder and the exhaust gases out.

• Spark...read more

Tolerance is the acceptable range of variation in a measurement or dimension.

• Tolerance is the maximum and minimum limit within which a measurement or dimension must fall to be acceptable.

• Tolerance is usually specified in engineering drawings to ensure proper fit and function of parts.

• To calculate tolerance, subtract the minimum limit from the maximum limit. For example, if the maximum limit is 10 and the minimum limit is 8, the tolerance would be 2.

LVDT stands for Linear Variable Differential Transformer, a type of sensor used in instrumentation to measure linear displacement.

• LVDT is a type of inductive sensor that converts linear motion into an electrical signal.

• It consists of a primary coil and two secondary coils wound on a hollow tube, with a movable core inside.

• The output voltage of the LVDT is proportional to the displacement of the core.

• LVDTs are commonly used in applications where precise and accurate measuremen...read more

Suspension is needed to support heavy loads and provide stability in various types of machinery and equipment.

• Suspension helps to absorb shocks and vibrations, reducing wear and tear on the equipment.

• It allows for better traction and control, especially in rough or uneven terrain.

• Suspension also helps to maintain proper alignment of components and prevent damage from excessive movement.

• Examples include suspension systems in vehicles, cranes, and heavy machinery.