L&T Construction Interview Questions, Process, and Tips

I handle a variety of machines including CNC machines, 3D printers, and robotic arms.

• CNC machines

• 3D printers

• Robotic arms

Troubleshooting of hydraulic system

• Identify the problem by checking for leaks, pressure drops, and unusual noises

• Check the fluid level and quality

• Inspect the filters and replace if necessary

• Check the valves and actuators for proper operation

• Use diagnostic tools like pressure gauges and flow meters

• Refer to the system manual for troubleshooting steps

• Test the system after making repairs to ensure proper operation

Engine troubleshooting involves identifying and resolving issues with the engine's performance.

• Start by identifying the symptoms of the problem, such as strange noises or decreased power

• Check the engine's fluids, filters, and belts for any signs of wear or damage

• Use diagnostic tools such as a code reader or oscilloscope to identify any error codes or electrical issues

• Inspect the engine's components, such as the spark p...read more

Different types of oil have different properties based on their composition and usage.

• Mineral oil is a byproduct of petroleum and is commonly used as a lubricant.

• Vegetable oils are derived from plants and are used for cooking and as a source of biofuel.

• Synthetic oils are man-made and have specific properties for high-performance engines.

• Animal oils, such as fish oil, are used for nutritional supplements and in the prod...read more

Manual transmission requires driver to shift gears while automatic transmission shifts gears automatically.

• Manual transmission has a clutch pedal and gear stick while automatic transmission has a gear selector and no clutch pedal.

• Manual transmission provides better control and fuel efficiency while automatic transmission provides ease of use and convenience.

• Manual transmission is common in sports cars while automatic t...read more

Overheating in engineering can be caused by various factors.

• Insufficient cooling system

• High ambient temperature

• Excessive workload or stress on the system

• Poor ventilation or blocked air vents

• Faulty or inadequate thermal management

• Improperly applied thermal paste

• Hardware or component failure

• Software or driver issues

The machines handling me are advanced computer systems with high processing power and multiple peripherals.

• The machines have a minimum of 16GB RAM and a quad-core processor.

• They are equipped with high-speed SSD storage for faster data access.

• The machines have multiple USB ports, HDMI ports, and Ethernet connectivity.

• They are running on the latest operating system and have up-to-date software.

• The machines are capable of...read more