GMR Group Operations Executive Interview Questions and Answers

There are three types of maintenance: corrective, preventive, and predictive. Each has its own advantages.

• Corrective maintenance is fixing a problem after it occurs. Advantage: minimal planning required.

• Preventive maintenance is scheduled maintenance to prevent problems. Advantage: reduces downtime and extends equipment life.

• Predictive maintenance uses data to predict when maintenance is needed. Advantage: reduces down...read more

Points to consider during engine overhauling.

• Disassembling the engine

• Inspecting and measuring components

• Replacing worn out parts

• Cleaning and reassembling the engine

• Testing the engine for proper functioning

Troubleshooting of engine and hydraulic system involves identifying and resolving issues related to their functioning.

• Identify the symptoms of the problem

• Check for any leaks or damages

• Refer to the manual for troubleshooting steps

• Use diagnostic tools to identify the root cause

• Repair or replace the faulty components

• Test the system to ensure proper functioning

Machines specification refers to the technical details and features of a machine.

• Machines specification includes information about the machine's size, weight, power source, and capacity.

• It also includes details about the machine's functions, such as speed, accuracy, and precision.

• Machines specification may also include information about the materials used in the machine's construction and any safety features.

• Examples o...read more

A lubrication system is a network of channels and pumps that supply oil or grease to moving parts of an engine or machine.

• The system typically includes a reservoir for holding the lubricant.

• A pump or series of pumps move the lubricant through channels or pipes to the parts that need it.

• Filters may be included to remove contaminants from the lubricant.

• Some systems use a pressure regulator to ensure the correct amount of...read more

There are three types of hydraulic pumps - gear pumps, vane pumps, and piston pumps.

• Gear pumps use interlocking gears to pump fluid

• Vane pumps use sliding vanes to pump fluid

• Piston pumps use reciprocating pistons to pump fluid

• Gear pumps are the most common type of hydraulic pump

• Vane pumps are quieter and more efficient than gear pumps

• Piston pumps are the most powerful type of hydraulic pump

• Each type of pump has its own