Premco Rail Engineers Interview Questions and Answers

Sand bulking is the increase in volume of sand due to the presence of moisture.

• Sand bulking can cause errors in volume calculations for construction projects.

• It is important to account for sand bulking when determining the amount of sand needed for a project.

• The amount of bulking can vary depending on the type of sand and the amount of moisture present.

• For example, a sand with a bulking factor of 1.5 means that 1 cubic...read more

The density of 1 bag of cement varies depending on the type of cement and packaging.

• The density of cement ranges from 1100 to 1600 kg/m³

• The density of a 50 kg bag of cement is typically around 1440 kg/m³

• The density can be affected by factors such as moisture content and temperature

• Different types of cement have different densities, for example, Portland cement has a density of 1506 kg/m³

ISMB stands for Indian Standard Medium Weight Beam.

• It is a type of structural steel beam used in construction.

• It has a standard size range and weight per meter.

• ISMB beams are commonly used in building frames, bridges, and other structures.

• The designation of ISMB beams includes the width and depth of the beam in millimeters, and the weight per meter in kilograms.

• For example, an ISMB 250 beam has a width of 250mm, depth