Larsen & Toubro Limited NDT Technician Interview Questions and Answers

To repair a hydraulic pump, first identify the problem and then disassemble the pump to replace or repair the faulty parts.

• Identify the problem by checking for leaks, unusual noises, or loss of pressure.

• Disassemble the pump carefully, taking note of the order of parts and any seals or gaskets.

• Inspect the parts for damage or wear, and replace any faulty components.

• Reassemble the pump, making sure all parts are properly ...read more

Lapping of beam is done by grinding the surface of the beam to achieve a smooth and flat finish.

• The beam is placed on a lapping machine with an abrasive surface.

• The machine moves the beam back and forth while the abrasive surface grinds away any imperfections.

• The process is repeated with finer and finer abrasives until the desired finish is achieved.

• Lapping can improve the strength and durability of the beam.

• It is comm...read more

The number of cube samples taken for 60 cum of concrete depends on the specifications and requirements of the project.

• The number of cube samples may vary depending on the project specifications and requirements.

• Typically, 3 to 5 cube samples are taken for every 100 cubic meters of concrete.

• The cube samples are taken to test the compressive strength of the concrete.

• The number of cube samples may also depend on the locat...read more