Transrail Lighting Quality Engineer Interview Questions and Answers

Slump test is a method to measure the workability of concrete by observing the consistency and flow of the concrete mix.

• Prepare a slump cone by lubricating the inside surface and placing it on a smooth, flat surface.

• Fill the cone with concrete in three layers, each layer tamped with a rod 25 times.

• Remove excess concrete, level the top, and lift the cone vertically. Measure the slump of the concrete.

• Record the slump mea...read more

To fill a cube, ensure all sides are properly aligned and filled with the material. Check for any gaps or air pockets.

• Ensure the cube mold is clean and dry before filling.

• Pour the material into the mold slowly and evenly to prevent air pockets.

• Use a vibrating table to help settle the material and remove any air bubbles.

• Check for any leaks or cracks in the mold before filling to prevent material from leaking out.

• After f...read more